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        <moderator rdf:resource="http://data.semanticweb.org/person/fausto-giunchiglia"/>
        <panelist rdf:resource="http://data.semanticweb.org/person/andrei-voronkov"/>
        <panelist rdf:resource="http://data.semanticweb.org/person/anita-dewaard"/>
        <panelist rdf:resource="http://data.semanticweb.org/person/david-de-roure"/>
        <panelist rdf:resource="http://data.semanticweb.org/person/maurizio-marchese"/>
        <rdfs:label>Science 2.0: What do we have to offer to its development?</rdfs:label>
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        <ical:duration>PT1H30M</ical:duration>
        <ical:summary>The Web 2.0 offers the opportunity to radically change the way scientific knowledge is produced and disseminated. In this panel we discuss some of the directions of possible change along with the enabling technologies and their implications on the evolution of science, in particular: how papers and scientific results are written, evaluated, published, disseminated and reused.</ical:summary>
    </PanelEvent>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/1">
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        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
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        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/huairen-lin"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/joseph-davis"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/ying-zhou"/>
        <dc:subject>collaborative tagging</dc:subject>
        <dc:subject>folksonomy</dc:subject>
        <dc:subject>ontology</dc:subject>
        <dc:title>An Integrated Approach to Extracting Ontological Structures from Folksonomies</dc:title>
        <swrc:abstract>Collaborative tagging systems have recently emerged as one of the rapidly growing web 2.0 applications. The informal social classification structure in these systems, also known as folksonomy, provides a convenient way to annotate resources by allowing users to use any keyword or tag that they find relevant.  In turn, the flat and non-hierarchical structure with unsupervised vocabularies leads to low search precision and poor resource navigation and retrieval. This drawback has created the need for ontological structures, which provide shared vocabularies and semantic relations for translating and integrating the different sources. In this paper, we propose an integrated approach for extracting ontological structure from folksonomies that exploits the power of low support association rule mining supplemented by an upper ontology such as WordNet.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/huairen-lin"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/joseph-davis"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/ying-zhou"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>654-668</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/huairen-lin"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/joseph-davis"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/ying-zhou"/>
        </swrc_ext:authorList>
        <rdfs:label>An Integrated Approach to Extracting Ontological Structures from Folksonomies</rdfs:label>
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        <foaf:maker rdf:resource="http://data.semanticweb.org/person/joseph-davis"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/ying-zhou"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Language_technology"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Machine_learning"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Natural_language_processing"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_%28computer_science%29"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Query"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Visualization"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/101">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/101"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_%28computer_science%29"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_alignment"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/christian-meilicke"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/heiner-stuckenschmidt"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/kai-eckert"/>
        <dc:subject>Evaluation</dc:subject>
        <dc:subject>Machine Learning</dc:subject>
        <dc:subject>Ontology Matching</dc:subject>
        <dc:title>Improving Ontology Matching using Meta-level Learning</dc:title>
        <swrc:abstract>Despite serious research efforts, automatic ontology matching still suffers from severe problems with respect to the quality of matching results. Existing matching systems trade-off precision and recall and have their specific strengths and weaknesses. This leads to problems when the right matcher for a given task has to be selected. In this paper, we present a method for improving matching results by not choosing a specific matcher but applying machine learning techniques on an ensemble of matchers. Hereby we learn rules for the correctness of a correspondence based on the output of different matchers and additional information about the nature of the elements to be matched, thus leveraging the weaknesses of an individual matcher. We show that our method always performs significantly better than the median of the matchers used and in most cases outperforms the best matcher with an optimal threshold for a given pair of ontologies. As a side product of our experiments, we discovered that the majority vote is a simple but powerful heuristic for combining matchers that almost reaches the quality of our learning results.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/christian-meilicke"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/heiner-stuckenschmidt"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/kai-eckert"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>158-172</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/kai-eckert"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/christian-meilicke"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/heiner-stuckenschmidt"/>
        </swrc_ext:authorList>
        <rdfs:label>Improving Ontology Matching using Meta-level Learning</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/christian-meilicke"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/heiner-stuckenschmidt"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/kai-eckert"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_%28computer_science%29"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_alignment"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/104">
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        <hasTopic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Visualization"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/fausto-giunchiglia"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/ilya-zaihrayeu"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/uladzimir-kharkevich"/>
        <dc:subject>Semantic Continuum</dc:subject>
        <dc:subject>Semantic Inverted Index</dc:subject>
        <dc:subject>Semantic Search</dc:subject>
        <dc:title>Concept Search</dc:title>
        <swrc:abstract>In this paper we present a novel approach, called Concept Search, which extends syntactic search, i.e., search based on the computation of string similarity between words, with semantic search, i.e., search based on the computation of semantic relations among concepts. The key idea of Concept Search is to operate on complex concepts and to maximally exploit the semantic information available, reducing to syntactic search only when necessary, i.e., when no semantic information is available. The experimental results show that Concept Search performs at least as well as syntactic search, improving the quality of results as a function of the amount of available semantics.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/fausto-giunchiglia"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/ilya-zaihrayeu"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/uladzimir-kharkevich"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>429-444</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/fausto-giunchiglia"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/uladzimir-kharkevich"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/ilya-zaihrayeu"/>
        </swrc_ext:authorList>
        <rdfs:label>Concept Search</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/fausto-giunchiglia"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/ilya-zaihrayeu"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/uladzimir-kharkevich"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Query"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Visualization"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/106">
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        <hasTopic rdf:resource="http://dbpedia.org/resource/Annotation"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Application"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Data"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Interoperability"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Language_technology"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Machine_learning"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Natural_language_processing"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_%28computer_science%29"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/jose-iria"/>
        <dc:subject>knowledge acquisition</dc:subject>
        <dc:subject>ontology</dc:subject>
        <dc:title>A Core Ontology for Knowledge Acquisition</dc:title>
        <swrc:abstract>Semantic descriptions of knowledge acquisition (KA) tools and resources enable machine reasoning about KA systems and can be used to automate the discovery and composition of KA services, thereby increasing interoperability among systems and reducing system design and maintenance costs. Whilst there are a few general-purpose ontologies available that could be combined for describing knowledge acquisition, albeit at an inadequate abstraction level, there is as yet no KA ontology based on Semantic Web technologies available. In this paper, we present OAK, a well-founded, modular, extensible and multimedia-aware ontology of knowledge acquisition which extends existing foundational and core Semantic Web ontologies. We start by using a KA tool development scenario to illustrate the complexity of the problem, and identify a number of requirements for OAK. After we present the ontology in detail, we evaluate it with respect to the identified requirements.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/jose-iria"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>233-247</swrc:pages>
        <swrc:year>2009</swrc:year>
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            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/jose-iria"/>
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        <rdfs:label>A Core Ontology for Knowledge Acquisition</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/jose-iria"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Annotation"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Application"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Data"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Interoperability"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Language_technology"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Machine_learning"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Natural_language_processing"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_%28computer_science%29"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/110">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/110"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Query"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Usability"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/User_interface"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Visualization"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/daniel-herzig"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/mark-musen"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/peter-haase"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/thanh-tran"/>
        <dc:subject>semantic search</dc:subject>
        <dc:subject>semantic wikis</dc:subject>
        <dc:title>Semantic Wiki Search</dc:title>
        <swrc:abstract>Semantic wikis extend wiki platforms with the ability to represent structured information in a machine-processable way. Ontop of the structured information in the wiki, novel ways to search, browse, and present the wiki content become possible. However, while powerful query languages offer new opportunities for semantic search, users typically are not willing to use the syntax of formal query languages. In this work we present an approach to semantic search that combines the expressiveness and capabilities of structured queries with the simplicity of keyword interfaces: Users articulate  their information need using keyword queries, which are translated by the system into structured, conjunctive queries. This translation result may result in multiple possible interpretations of the information need, which can then be selected and further refined by the user via facets. We have implemented this approach to semantic search as an extension to Semantic MediaWiki. The results of a user study in the SMW-based community portal semanticweb.org show the efficiency and effectiveness of the approach.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/daniel-herzig"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/mark-musen"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/peter-haase"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/thanh-tran"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>445-460</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/peter-haase"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/daniel-herzig"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/mark-musen"/>
            <rdf:_4 rdf:resource="http://data.semanticweb.org/person/thanh-tran"/>
        </swrc_ext:authorList>
        <rdfs:label>Semantic Wiki Search</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/daniel-herzig"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/mark-musen"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/peter-haase"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/thanh-tran"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Query"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Usability"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/User_interface"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Visualization"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/125">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/125"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Performance_engineering"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Scalability"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web_Services"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Web_service"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/ingo-zinnikus"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/matthias-klusch"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/patrick-kapahnke"/>
        <dc:subject>Semantic Web Service discovery</dc:subject>
        <dc:subject>hybrid matchmaking approach</dc:subject>
        <dc:title>Hybrid Adaptive Web Service Selection with SAWSDL-MX and WSDL Analyzer</dc:title>
        <swrc:abstract>Building on our initial work on SAWSLD-MX, in this paper we extended the hybrid matchmaker by a structural approach utilizing the WSDL Analyzer tool, which performs structural, string-based and lexical comparison of WSDL 1.1 service descriptions and aims at supporting semi-automated Web service integration. A variant for aggregating results of different matching approaches using Support Vector Machines is presented. We report on the preliminary results of our performance evaluation of proposed aggregated SAWSDL matching vairants over the test collection SAWSDL-TC 1.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/ingo-zinnikus"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/matthias-klusch"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/patrick-kapahnke"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>550-564</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/matthias-klusch"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/patrick-kapahnke"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/ingo-zinnikus"/>
        </swrc_ext:authorList>
        <rdfs:label>Hybrid Adaptive Web Service Selection with SAWSDL-MX and WSDL Analyzer</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/ingo-zinnikus"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/matthias-klusch"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/patrick-kapahnke"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Performance_engineering"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Scalability"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Semantic_Web_Services"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Web_service"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/127">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/127"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Computer_security"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Intellectual_property"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Optimization_(computer_science)"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Privacy"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Query"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/SPARQL"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Trust_%28social_sciences%29"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Visualization"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/olaf-hartig"/>
        <dc:subject>SPARQL</dc:subject>
        <dc:subject>query</dc:subject>
        <dc:subject>trust</dc:subject>
        <dc:title>Querying Trust in RDF Data with tSPARQL</dc:title>
        <swrc:abstract>Today a large amount of RDF data is published on the Web. However, the openness of the Web and the ease to combine RDF data from different sources creates new challenges. The Web of data is missing a uniform way to assess and to query the trustworthiness of information. In this paper we present tSPARQL, a trust-aware extension to SPARQL. Two additional keywords enable users to describe trust requirements and to query the trustworthiness of RDF data. Hence, tSPARQL allows adding trust to RDF-based applications in an easy manner. As the foundation we propose a trust model that associates RDF statements with trust values and we extend the SPARQL semantics to access these trust values in tSPARQL. Furthermore, we discuss opportunities to optimize the execution of tSPARQL queries.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/olaf-hartig"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>5-20</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/olaf-hartig"/>
        </swrc_ext:authorList>
        <rdfs:label>Querying Trust in RDF Data with tSPARQL</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/olaf-hartig"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Computer_security"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Intellectual_property"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Optimization_(computer_science)"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Privacy"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Query"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/SPARQL"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Trust_%28social_sciences%29"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Visualization"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/133">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/133"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Collaborative_software"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Database_management_system"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Evaluation"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_engineering"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Quality"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/User_interface"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/denny-vrandecic"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/sebastian-rudolph"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/uta-loesch"/>
        <dc:subject>Language Proposal</dc:subject>
        <dc:subject>Ontology Update Framework</dc:subject>
        <dc:subject>SPARQL Update</dc:subject>
        <dc:title>Tempus Fugit - Towards an Ontology Update Language</dc:title>
        <swrc:abstract>Ontologies are used to formally describe domains of interest. As domains change over time, the ontologies have to be updated accordingly. We advocate the introduction of an Ontology Update Language that captures frequent domain changes and hence facilitates regular updates to be made in ontologies. We thoroughly discuss the general design choices for defining such a language and a corresponding update framework. Moreover, we propose a concrete language proposal based on SPARQL Update and provide a reference implementation of the framework.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/denny-vrandecic"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/sebastian-rudolph"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/uta-loesch"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>278-292</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/uta-loesch"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/sebastian-rudolph"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/denny-vrandecic"/>
        </swrc_ext:authorList>
        <rdfs:label>Tempus Fugit - Towards an Ontology Update Language</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/denny-vrandecic"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/sebastian-rudolph"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/uta-loesch"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Collaborative_software"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Database_management_system"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Evaluation"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_engineering"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Quality"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/User_interface"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/142">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/142"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_%28computer_science%29"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_alignment"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Usability"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/User_interface"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/colm-conroy"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/david-lewis"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/declan-osullivan"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/rob-brennan"/>
        <dc:subject>Ontology Mapping</dc:subject>
        <dc:subject>Ordinary User</dc:subject>
        <dc:subject>Semantic Interoperability</dc:subject>
        <dc:subject>Semantic Mapping</dc:subject>
        <dc:subject>Semantic Web</dc:subject>
        <dc:title>User Evaluation Study of a Tagging Approach to Semantic Mapping</dc:title>
        <swrc:abstract>A key aspect of semantic interoperability is the semantic mapping process itself. Traditionally, semantic mapping processes conducted by knowledge engineers have been proposed to bridge this gap. However, knowledge engineers alone are unlikely to cope with the ever increasing amount of mapping work required, especially as mappings themselves begin to be specialised for different contexts. One solution is to develop new mapping processes that enable users to participate in the mapping process themselves. In this paper we present an evaluation study of our user-driven tagging approach to the semantic mapping process. In our approach, users actively participate in generating mappings by categorising automatically generated candidate matches presented in natural language over a long time period. In the evaluation study three groups of users generated mappings between their personal ontologies and a sports ontology describing sports news content from RSS feeds. The mapping process was embedded within the users' work environment as a Firefox browser extension. The study is discussed, focusing on whether the mapping process is unintrusive, engaging and simplified for the user. The evaluation results were promising and indicate that people with various levels of expertise could become active in the semantic mapping process.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/colm-conroy"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/david-lewis"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/declan-osullivan"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/rob-brennan"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>623-637</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/colm-conroy"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/rob-brennan"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/declan-osullivan"/>
            <rdf:_4 rdf:resource="http://data.semanticweb.org/person/david-lewis"/>
        </swrc_ext:authorList>
        <rdfs:label>User Evaluation Study of a Tagging Approach to Semantic Mapping</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/colm-conroy"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/david-lewis"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/declan-osullivan"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/rob-brennan"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_%28computer_science%29"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_alignment"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Usability"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/User_interface"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/143">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/143"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Data"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Evaluation"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Interoperability"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Language_technology"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Machine_learning"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Natural_language_processing"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_%28computer_science%29"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_engineering"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/aldo-gangemi"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/alfio-massimiliano-gliozzo"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/bonaventura-coppola"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/davide-picca"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/valentina-presutti"/>
        <dc:subject>Frame Detection</dc:subject>
        <dc:subject>Lexical Ontologies</dc:subject>
        <dc:subject>NLP</dc:subject>
        <dc:subject>Ontology Design</dc:subject>
        <dc:subject>Ontology Learning</dc:subject>
        <dc:title>Frame Detection over the Semantic Web</dc:title>
        <swrc:abstract>Research in ontology learning from text has been mainly focused on entity recognition, taxonomy induction and relation extraction.  In this work we approach a more challenging research issue, consisting  in detecting semantic frames from texts, and using them to encode web  ontologies. We exploit a new generation frame detection system, which  is able to identify FrameNet frames and their argument boundaries from  text parsing. In addition, we enrich frames with the results provided by  a super-sense tagger, which extracts and classiﬁes concepts and named  entities from texts according to WordNet super-senses. The enrichment  results include argument restrictions for the elements of a frame, and  domain specializations, based on domain lexical unit detection for the target of a frame. The results are encoded according to the Lexical MetaModel, which allows  a complete translation of lexical resources, keeps trace of the learning  metadata, and enables custom transformations of enriched frames into  modular ontology components, known as content ontology design patterns.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/aldo-gangemi"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/alfio-massimiliano-gliozzo"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/bonaventura-coppola"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/davide-picca"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/valentina-presutti"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>126-142</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/bonaventura-coppola"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/aldo-gangemi"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/alfio-massimiliano-gliozzo"/>
            <rdf:_4 rdf:resource="http://data.semanticweb.org/person/davide-picca"/>
            <rdf:_5 rdf:resource="http://data.semanticweb.org/person/valentina-presutti"/>
        </swrc_ext:authorList>
        <rdfs:label>Frame Detection over the Semantic Web</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/aldo-gangemi"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/alfio-massimiliano-gliozzo"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/bonaventura-coppola"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/davide-picca"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/valentina-presutti"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Data"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Evaluation"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Interoperability"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Language_technology"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Machine_learning"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Natural_language_processing"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_%28computer_science%29"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_engineering"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/147">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/147"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_%28computer_science%29"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_alignment"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/andrew-branson"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/jetendr-shamdasani"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/mohammed-odeh"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/peter-bloodsworth"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/richard-mcclatchey"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/tamas-hauer"/>
        <dc:subject>UMLS</dc:subject>
        <dc:subject>ontology matching</dc:subject>
        <dc:subject>semantic matching</dc:subject>
        <dc:title>Semantic Matching using the UMLS</dc:title>
        <swrc:abstract>Traditional ontology alignment techniques enable equivalence relationships to be established between concepts in two ontologies with some confidence value. With semantic matching, however, it is possible to identify not only equivalence  relationships between concepts, but less general and more general relationships. This is beneficial since more expressive relationships can be discovered between ontologies thus helping us to resolve heterogeneity between differing semantic representations at a finer level of granularity. This work concerns the application of semantic matching to the medical domain. We have extended the SMatch algorithm to function in the medical domain with the use of the UMLS metathesaurus as the background resource, hence removing its previous reliance on WordNet, which does not cover the medical domain in a satisfactory manner. We describe the steps required to extend the SMatch algorithm to the medical domain for use with UMLS. We test the accuracy of our approach on subsets of the FMA and MeSH ontologies, with both precision and recall showing the accuracy and coverage of different versions of our algorithm on each dataset.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/andrew-branson"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/jetendr-shamdasani"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/mohammed-odeh"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/peter-bloodsworth"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/richard-mcclatchey"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/tamas-hauer"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>203-217</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/jetendr-shamdasani"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/tamas-hauer"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/peter-bloodsworth"/>
            <rdf:_4 rdf:resource="http://data.semanticweb.org/person/andrew-branson"/>
            <rdf:_5 rdf:resource="http://data.semanticweb.org/person/mohammed-odeh"/>
            <rdf:_6 rdf:resource="http://data.semanticweb.org/person/richard-mcclatchey"/>
        </swrc_ext:authorList>
        <rdfs:label>Semantic Matching using the UMLS</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/andrew-branson"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/jetendr-shamdasani"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/mohammed-odeh"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/peter-bloodsworth"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/richard-mcclatchey"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/tamas-hauer"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_%28computer_science%29"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_alignment"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/15">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/15"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Annotation"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Data"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Evaluation"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_engineering"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Optimization_(computer_science)"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Query"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/SPARQL"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Visualization"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/guohui-xiao"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/xiaowang-zhang"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/zuoquan-lin"/>
        <dc:subject>Semantic Web</dc:subject>
        <dc:subject>description logic</dc:subject>
        <dc:subject>paraconsistent reasoning</dc:subject>
        <dc:subject>quasi-classical logic</dc:subject>
        <dc:subject>tableau algorithm</dc:subject>
        <dc:title>A Tableau Algorithm for Handling Inconsistency in OWL</dc:title>
        <swrc:abstract>In Semantic Web, the knowledge sources usually contain inconsistency because they are constantly changing and from different view points. As is well known, as based on the description logic of the Semantic Web, OWL is lack of the ability of tolerating inconsistent or incomplete data. Recently, the research in handling inconsistency in OWL becomes more and more important. In this paper, we present a paraconsistent OWL called quasi-classical OWL to handle inconsistency with holding important inference rules such as modus tollens, modus ponens, and disjunctive syllogism. We propose a terminable, sound and complete tableau algorithm to implement paraconsistent reasoning in quasi-classical OWL. In comparison with other approaches to handle inconsistency in OWL, our approach enhances the ability of reasoning by integrating paraconsistent reasoning with important classical inference rules.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/guohui-xiao"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/xiaowang-zhang"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/zuoquan-lin"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>399-413</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/xiaowang-zhang"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/guohui-xiao"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/zuoquan-lin"/>
        </swrc_ext:authorList>
        <rdfs:label>A Tableau Algorithm for Handling Inconsistency in OWL</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/guohui-xiao"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/xiaowang-zhang"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/zuoquan-lin"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Annotation"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Data"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Evaluation"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_engineering"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Optimization_(computer_science)"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Query"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/SPARQL"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Visualization"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/150">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/150"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Multimedia"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Query"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Visualization"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/edward-thomas"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/jeff-z-pan"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/stuart-taylor"/>
        <dc:subject>folksonomy</dc:subject>
        <dc:subject>ontology</dc:subject>
        <dc:subject>search</dc:subject>
        <dc:subject>semantic web</dc:subject>
        <dc:subject>web 2.0</dc:subject>
        <dc:title>Reducing Ambiguity in Tagging Systems with Folksonomy Search Expansion</dc:title>
        <swrc:abstract>Search facilities are vital both within folksonomy (or social tagging mechanism) based systems and across folksonomy based systems. Although these systems allow great malleability and adaptability, they also surfer from problems, such as ambiguity in the meaning of tags, flat organisation of tags and some degree of unstabilising factor on consensus about which tags best describe some certain Web resources. It has been argued that folksonomy structure can be enhanced by ontologies; however, as suggested by Hotho et al., a key question remains open: how to exploit the benefits of ontologies without bothering untrained users with its rigidity. In this paper, we propose an approach to address the problem of ambiguity in tagging systems by expanding folksonomy search with ontologies, which is completely transparent to users. Preliminary implementations and evaluations on the efficiency and the usefulness of such expansions are very promising.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/edward-thomas"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/jeff-z-pan"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/stuart-taylor"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>669-683</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/jeff-z-pan"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/stuart-taylor"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/edward-thomas"/>
        </swrc_ext:authorList>
        <rdfs:label>Reducing Ambiguity in Tagging Systems with Folksonomy Search Expansion</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/edward-thomas"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/jeff-z-pan"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/stuart-taylor"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Multimedia"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Query"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Visualization"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/151">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/151"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Formal_languages"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Inference"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Logic"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Rule_of_inference"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/joost-vennekens"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/marc-denecker"/>
        <dc:subject>Knowledge representation</dc:subject>
        <dc:subject>Logic programming</dc:subject>
        <dc:subject>Rule languages</dc:subject>
        <dc:title>FO(ID) as an extension of DL with rules</dc:title>
        <swrc:abstract>There are many interesting Knowledge Representation questions surrounding rule languages for the Semantic Web.  The most basic one is of course: which kind of rules should be used and how do they integrate with existing Description Logics?  Similar questions have already been adressed in the field of Logic Programming, where one particular answer has been provided by the language of FO(ID).  FO(ID) is an extension of classical first-order logic with a rule-based representation for inductive defintions.  By offering  a general integration of first-order logic and Logic Programs, it also induces a particular way of extending Description Logics with rules.  The goal of this paper is to investigate this integration and discover whether there are interesting extensions of DL with rules that can be arrived at by imposing appropriate restrictions on the highly expressive FO(ID).</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/joost-vennekens"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/marc-denecker"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>384-398</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/joost-vennekens"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/marc-denecker"/>
        </swrc_ext:authorList>
        <rdfs:label>FO(ID) as an extension of DL with rules</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/joost-vennekens"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/marc-denecker"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Formal_languages"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Inference"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Logic"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Rule_of_inference"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/159">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/159"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Data_mining"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_%28computer_science%29"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_alignment"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Query"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Visualization"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/krzysztof-janowicz"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/marc-wilkes"/>
        <dc:subject>description logics</dc:subject>
        <dc:subject>information retrieval</dc:subject>
        <dc:subject>semantic similarity</dc:subject>
        <dc:title>SIM-DL_A: A Novel Semantic Similarity Measure for Description Logics Reducing Inter-Concept to Inter-Instance Similarity</dc:title>
        <swrc:abstract>While semantic similarity plays a crucial role for human categorization and reasoning, computational similarity measures have also been applied to fields such as semantics-based information retrieval or ontology engineering. Several measures have been developed to compare concepts specified in various description logics. In most cases, these measures are either structural or require a populated ontology. Structural measures fail with an increasing expressivity of the used description logic, while several ontologies, e.g., geographic feature type ontologies, are not populated at all. In this paper, we present an approach to reduce inter-concept to inter-instance similarity and thereby avoid the canonization problem of structural  measures. The novel approach, called SIM-DL_A, reuses existing similarity functions  such as co-occurrence or network measures from our previous SIM-DL measure. The required instances for comparison are derived from the completion tree of a slightly modified DL-tableau algorithm as used for satisfiability checking. Instead of trying to find one (clash-free) model, the tableau algorithm generates a set of proxy individuals used for comparison. The paper presents the algorithm, alignment matrix, and similarity functions as well as a detailed example.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/krzysztof-janowicz"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/marc-wilkes"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>353-367</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/krzysztof-janowicz"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/marc-wilkes"/>
        </swrc_ext:authorList>
        <rdfs:label>SIM-DL_A: A Novel Semantic Similarity Measure for Description Logics Reducing Inter-Concept to Inter-Instance Similarity</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/krzysztof-janowicz"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/marc-wilkes"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Data_mining"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_%28computer_science%29"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_alignment"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Query"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Visualization"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/162">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/162"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Application"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Interoperability"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Knowledge_management"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Query"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_desktop"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Visualization"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/gianluca-demartini"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/jakub-zakrzewski"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/julien-gaugaz"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/wolfgang-nejdl"/>
        <dc:subject>Entity Name Service</dc:subject>
        <dc:subject>Identifiers Labelling</dc:subject>
        <dc:subject>Identifiers Lineage</dc:subject>
        <dc:subject>Uniqueness Quality</dc:subject>
        <dc:title>How to Trace and Revise Identities</dc:title>
        <swrc:abstract>The Entity Name System is a service which aims at providing globally unique URIs for all kinds of real-world entities such as persons, locations and products, based on descriptions of these entities. Because entity descriptions available to the ENS for deciding on entity identity—Do two entity description refer to the same real-world entity?—are changing over time, the system sometimes has to revise its past decisions: One entity has been given two diﬀerent URIs or two entities have been attributed the same URI. The question we have to investigate in this context is then: How do we propagate entity decision revisions to the clients, which make use of the URIs provided by the ENS?  In this paper we propose a solution which relies on labelling the URIs with additional history information. These labels allows clients to locally detect deprecated URIs they are using and also merge IDs referring to the same real-world entity without needing to consult the ENS. Making update requests to the ENS for the detected URIs only considerably reduces the number of update requests, at the cost of a decrease in uniqueness quality. We investigate how much the number of update requests decreases using URI history labeling, as well as how this impacts the uniqueness of the URIs on the client. For the experiments we use both artiﬁcially generated entity revision histories as well as a real case study based on the revision history of the Dutch and Simple English Wikipedia.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/gianluca-demartini"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/jakub-zakrzewski"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/julien-gaugaz"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/wolfgang-nejdl"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>414-428</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/julien-gaugaz"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/jakub-zakrzewski"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/gianluca-demartini"/>
            <rdf:_4 rdf:resource="http://data.semanticweb.org/person/wolfgang-nejdl"/>
        </swrc_ext:authorList>
        <rdfs:label>How to Trace and Revise Identities</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/gianluca-demartini"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/jakub-zakrzewski"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/julien-gaugaz"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/wolfgang-nejdl"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Application"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Interoperability"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Knowledge_management"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Query"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Semantic_desktop"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Visualization"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/163">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/163"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Database_management_system"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Performance_engineering"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Scalability"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/alasdair-j-g-gray"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/iadh-ounis"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/norman-gray"/>
        <dc:subject>RDB2RDF</dc:subject>
        <dc:subject>Semantic Integration</dc:subject>
        <dc:title>Can RDB2RDF Tools Feasibly Expose Large Science Archives for Data Integration?</dc:title>
        <swrc:abstract>Many science archive centres publish very large volumes of image, simulation, and experiment data. In order to integrate and analyse the available data, scientists need to be able to (i) identify and locate all the data relevant to their work; (ii) understand the multiple heterogeneous data models in which the data is published; and (iii) interpret and process the data they retrieve. RDF has been shown to be a generally successful framework within which to perform such data integration work. It can be equally successful in the context of scientific data, if it is demonstrably practical to expose that data as RDF.   In this paper we investigate the capabilities of RDF to enable the integration of scientific data sources. Specifically, we discuss the suitability of SPARQL for expressing scientific queries, and the performance of several triple stores and RDB2RDF tools for executing queries over a moderately sized sample of a large astronomical data set. We found that more research and improvements are required into SPARQL and RDB2RDF tools to efficiently expose existing science archives for data integration.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/alasdair-j-g-gray"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/iadh-ounis"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/norman-gray"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>491-505</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/alasdair-j-g-gray"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/norman-gray"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/iadh-ounis"/>
        </swrc_ext:authorList>
        <rdfs:label>Can RDB2RDF Tools Feasibly Expose Large Science Archives for Data Integration?</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/alasdair-j-g-gray"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/iadh-ounis"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/norman-gray"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Database_management_system"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Performance_engineering"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Scalability"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/180">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/180"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Evaluation"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Knowledge_management"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_engineering"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Performance_engineering"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Scalability"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_desktop"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Test"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Validation"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/robert-stevens"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/sean-bechhofer"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/simon-jupp"/>
        <dc:subject>API</dc:subject>
        <dc:subject>Editor</dc:subject>
        <dc:subject>OWL</dc:subject>
        <dc:subject>SKOS</dc:subject>
        <dc:title>A flexible API and editor for SKOS</dc:title>
        <swrc:abstract>We present a programmatic interface (SKOS API) and editor for working with the Simple Knowledge Organisation System SKOS. The SKOS API has been designed to work with SKOS models at a high level of abstraction to aid developers of applications that use SKOS. We describe a SKOS editor (SKOSEd) that is built on the Protege 4 framework using the OWL and SKOS API.  As well as exploring the beneﬁts of the principled extensibility aﬀorded by this approach, we also explore the limitations placed upon SKOS by restricting SKOSEd to OWL-DL.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/robert-stevens"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/sean-bechhofer"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/simon-jupp"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>506-520</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/simon-jupp"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/sean-bechhofer"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/robert-stevens"/>
        </swrc_ext:authorList>
        <rdfs:label>A flexible API and editor for SKOS</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/robert-stevens"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/sean-bechhofer"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/simon-jupp"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Evaluation"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Knowledge_management"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_engineering"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Performance_engineering"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Scalability"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Semantic_desktop"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Test"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Validation"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/181">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/181"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Data_mining"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Social_network"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Web_2.0"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/adriana-budura"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/karl-aberer"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/philippe-cudre-mauroux"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/sebastian-michel"/>
        <dc:subject>Web 2.0</dc:subject>
        <dc:subject>tag propagation</dc:subject>
        <dc:subject>tagging</dc:subject>
        <dc:title>Neighborhood - based Tag Prediction</dc:title>
        <swrc:abstract>We consider the problem of tag prediction in collaborative tagging systems where users share and annotate resources on the Web. We put forward HAMLET, a novel approach to automatically propagate tags along the edges of a graph which relates similar documents. We identify the core principles underlying tag propagation for which we derive suitable scoring models combined in one overall ranking formula. Leveraging these scores, we present an efficient top-k tag selection algorithm that infers additional tags by carefully inspecting neighbors in the document graph. Experiments using real-world data demonstrate the viability of our approach in large-scale environments where tags are scarce.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/adriana-budura"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/karl-aberer"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/philippe-cudre-mauroux"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/sebastian-michel"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>608-622</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/adriana-budura"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/sebastian-michel"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/philippe-cudre-mauroux"/>
            <rdf:_4 rdf:resource="http://data.semanticweb.org/person/karl-aberer"/>
        </swrc_ext:authorList>
        <rdfs:label>Neighborhood - based Tag Prediction</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/adriana-budura"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/karl-aberer"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/philippe-cudre-mauroux"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/sebastian-michel"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Data_mining"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Social_network"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Web_2.0"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/186">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/186"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Annotation"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Data"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Knowledge_management"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Multimedia"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Query"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_desktop"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/User_interface"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Visualization"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/manuel-moeller"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/michael-sintek"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/sven-regel"/>
        <dc:subject>Medical Image Annotation</dc:subject>
        <dc:subject>Ontology-driven Metadata Extraction</dc:subject>
        <dc:subject>Semantic Search</dc:subject>
        <dc:title>RadSem: Semantic Annotation and Retrieval for Medical Images</dc:title>
        <swrc:abstract>We present a platform for semantic medical image annotation and retrieval. It leverages on the MEDICO ontology which covers formal background information  from various biomedical ontologies such as the Foundational Model of Anatomy (FMA), terminologies like ICD10 and RadLex and covers various aspects of clinical  procedures. This ontology is used during several steps of annotation and retrieval: (1) We developed an ontology-driven metadata extractor for the medical image  format DICOM. Its output contains, e.g., person name, age, image acquisition  parameters, body region etc. (2) The output from (1) is used to simplify the manual annotation by providing intuitive visualizations and to provide a preselected subset of annotation concepts.  Furthermore, the extracted metadata is linked  together with anatomical annotations and clinical findings to generate a unified view on a patient's medical history. (3) On the search side we perform query expansion based on the structure of the medical ontologies. (4) Our ontology for clinical data management allows to link and combine patients, medical images and annotations together in a comprehensive result list. (5) The medical annotations are further extended by links to external sources like Wikipedia to provide additional information.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/manuel-moeller"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/michael-sintek"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/sven-regel"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>21-35</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/manuel-moeller"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/sven-regel"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/michael-sintek"/>
        </swrc_ext:authorList>
        <rdfs:label>RadSem: Semantic Annotation and Retrieval for Medical Images</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/manuel-moeller"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/michael-sintek"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/sven-regel"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Annotation"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Data"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Knowledge_management"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Multimedia"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Query"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Semantic_desktop"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/User_interface"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Visualization"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/192">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/192"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Evaluation"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_engineering"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/alan-rector"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/luigi-iannone"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/robert-stevens"/>
        <dc:subject>Knowledge Pattern</dc:subject>
        <dc:subject>Ontology Engineering</dc:subject>
        <dc:title>Embedding Knowledge Patterns into OWL</dc:title>
        <swrc:abstract>We describe the design and use of the Ontology Pre-Processor Language (OPPL) as a means of embedding the use of Knowledge Patterns  in OWL  ontologies. Patterns provide a means of addressing the opacity and sustainability of OWL ontologies. We illustrate the specification of patterns in OPPL and discuss the advantages of its adoption by Ontology Engineers  with respect to ontology generation, transformation, and maintainability. The consequence of the declarative specification of patterns will be their unambiguous  description inside an ontology in OWL.   Thus, OPPL enables an ontology engineer to work at the level of the pattern, rather than of  the raw OWL axioms. Moreover, patterns can be analysed formally, so that the repercussions of their re-use can be better understood by ontology engineers and tools implementers.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/alan-rector"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/luigi-iannone"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/robert-stevens"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>218-232</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/luigi-iannone"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/alan-rector"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/robert-stevens"/>
        </swrc_ext:authorList>
        <rdfs:label>Embedding Knowledge Patterns into OWL</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/alan-rector"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/luigi-iannone"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/robert-stevens"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Evaluation"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_engineering"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/198">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/198"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Annotation"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Data"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Data_integration"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Data_mining"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Linked_Data"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Social_network"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Web_2.0"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/matthew-rowe"/>
        <dc:subject>Identity Disambiguation</dc:subject>
        <dc:subject>Linked Data</dc:subject>
        <dc:subject>Semantic Graphs</dc:subject>
        <dc:subject>Social Semantic Web</dc:subject>
        <dc:title>Applying Semantic Social Graphs to Disambiguate Identity References</dc:title>
        <swrc:abstract>Person disambiguation monitors web appearances of a person by disambiguating information belonging to different people sharing the same name. In this paper we extend person disambiguation to incorporate the abstract notion of identity. This extension utilises semantic web technologies to represent the identity of the person to be found and the web resources to be disambiguated as semantic graphs. Our approach extracts a complete semantic social graph from distributed web 2.0 services. Web resources containing possible person references are converted into semantic graphs describing available identity features. We disambiguate these web resources to identify correct identity references by performing random walks through the graph space, measuring the distances between the social graph and web resource graphs, and clustering similar web resources. We present a new distance measure called “Optimum Transitions” and evaluate the accuracy of our approach using the information retrieval measure f-measure.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/matthew-rowe"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>461-475</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/matthew-rowe"/>
        </swrc_ext:authorList>
        <rdfs:label>Applying Semantic Social Graphs to Disambiguate Identity References</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/matthew-rowe"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Annotation"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Data"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Data_integration"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Data_mining"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Linked_Data"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Social_network"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Web_2.0"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/201">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/201"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Annotation"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Application"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Collaborative_software"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Data"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Interoperability"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Usability"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/User_interface"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/brian-davis"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/manfred-hauswirth"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/siegfried-handschuh"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/simon-scerri"/>
        <dc:subject>Email Workflows</dc:subject>
        <dc:subject>Semantic Email</dc:subject>
        <dc:subject>Semantic Web Applications</dc:subject>
        <dc:subject>Social Semantic Desktop</dc:subject>
        <dc:subject>Speech Act Theory</dc:subject>
        <dc:title>Semanta – Semantic Email Technology for the Masses</dc:title>
        <swrc:abstract>In this paper we present Semanta – a fully-implemented system supporting Semantic Email Processes, integrated into the existing technical landscape and using existing email transport technology. By applying Speech Act Theory, knowledge about these processes can be made explicit, enabling machines to support email users with correctly interpreting, handling and keeping track of email messages, visualizing email threads and workflows, and extracting tasks and appointments from email messages. Whereas complex theoretical models and semantics are hidden beneath a simplistic user interface, the enabled functionalities are clear for the users to see and take advantage of. The system’s evaluation proved that our experiment with Semanta has indeed been successful and that semantic technology can be applied as an extra layer to existing technology, thus bringing its benefits into everyday computer usage.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/brian-davis"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/manfred-hauswirth"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/siegfried-handschuh"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/simon-scerri"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>36-50</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/simon-scerri"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/brian-davis"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/siegfried-handschuh"/>
            <rdf:_4 rdf:resource="http://data.semanticweb.org/person/manfred-hauswirth"/>
        </swrc_ext:authorList>
        <rdfs:label>Semanta – Semantic Email Technology for the Masses</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/brian-davis"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/manfred-hauswirth"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/siegfried-handschuh"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/simon-scerri"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Annotation"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Application"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Collaborative_software"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Data"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Interoperability"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Usability"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/User_interface"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/203">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/203"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Grid_computing"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Model"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Quality"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web_Services"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Service_level_agreement"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Web_service"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/henar-munoz"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/ioannis-kotsiopoulos"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/luis-miguel-vaquero-gonzalez"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/luis-rodero-merino"/>
        <dc:subject>QoS</dc:subject>
        <dc:subject>SLA</dc:subject>
        <dc:subject>Service Selection</dc:subject>
        <dc:subject>semantic annotations</dc:subject>
        <dc:title>Enhancing Service Selection by Semantic QoS</dc:title>
        <swrc:abstract>The increasing number of functionally similar services requires the existence of a non-functional properties selection process based on the Quality of Service (QoS). Thus, in this article authors focus on the provision of a QoS model, an architecture and an implementation which enhance the selection process by the annotation of Service Level Agreement (SLA) templates with semantic QoS metrics. This QoS model is composed by a specification for annotating SLA templates files, a QoS conceptual model formed as a QoS ontology and selection algorithm. This approach, which is background compatible, provides interoperability among customer-providers and lightweight alternative. Finally, its applicability and benefits are shown by using examples of Infrastructure services.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/henar-munoz"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/ioannis-kotsiopoulos"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/luis-miguel-vaquero-gonzalez"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/luis-rodero-merino"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>565-577</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/henar-munoz"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/ioannis-kotsiopoulos"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/luis-miguel-vaquero-gonzalez"/>
            <rdf:_4 rdf:resource="http://data.semanticweb.org/person/luis-rodero-merino"/>
        </swrc_ext:authorList>
        <rdfs:label>Enhancing Service Selection by Semantic QoS</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/henar-munoz"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/ioannis-kotsiopoulos"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/luis-miguel-vaquero-gonzalez"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/luis-rodero-merino"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Grid_computing"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Model"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Quality"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Semantic_Web_Services"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Service_level_agreement"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Web_service"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/205">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/205"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Engineering"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Formal_languages"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Inference"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Logic"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Rule_of_inference"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web_Services"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Test"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Validation"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Web_service"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/anthony-simons"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/dimitrios-kourtesis"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/dimitris-dranidis"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/ervin-ramollari"/>
        <dc:subject>Semantic Web Services</dc:subject>
        <dc:subject>Service Validation</dc:subject>
        <dc:subject>Web service testing</dc:subject>
        <dc:title>Leveraging Semantic Web Service Descriptions for Validation by Automated Functional Testing</dc:title>
        <swrc:abstract>Recent years have seen the utilisation of Semantic Web Service descriptions for automating a wide range of service-related activities, with a primary focus on service discovery, composition, execution and mediation. An important area which so far has received less attention is service validation, whereby advertised services are proven to conform to required behavioural specifications.  This paper proposes a method for validation of service-oriented systems through automated functional testing. The method leverages ontology-based and rule-based descriptions of service inputs, outputs, preconditions and effects (IOPE) for constructing a stateful EFSM specification. The specification is subsequently utilised for functional testing and validation using the proven Stream X-machine (SXM) testing methodology. Complete functional test sets are generated automatically at an abstract level and are then applied to concrete Web services, using test drivers created from the Web service descriptions.  The testing method comes with completeness guarantees and provides a strong method for validating the behaviour of Web services.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/anthony-simons"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/dimitrios-kourtesis"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/dimitris-dranidis"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/ervin-ramollari"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>593-607</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/ervin-ramollari"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/dimitrios-kourtesis"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/dimitris-dranidis"/>
            <rdf:_4 rdf:resource="http://data.semanticweb.org/person/anthony-simons"/>
        </swrc_ext:authorList>
        <rdfs:label>Leveraging Semantic Web Service Descriptions for Validation by Automated Functional Testing</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/anthony-simons"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/dimitrios-kourtesis"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/dimitris-dranidis"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/ervin-ramollari"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Engineering"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Formal_languages"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Inference"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Logic"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Rule_of_inference"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Semantic_Web_Services"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Test"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Validation"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Web_service"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/218">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/218"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Annotation"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Data"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Data_integration"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Linked_Data"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Optimization_(computer_science)"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Performance_engineering"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Query"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/SPARQL"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Scalability"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/abraham-bernstein"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/jonas-tappolet"/>
        <dc:subject>temporal RDF</dc:subject>
        <dc:subject>temporal query language</dc:subject>
        <dc:title>Applied Temporal RDF: Efficient Temporal Querying of RDF Data with SPARQL</dc:title>
        <swrc:abstract>Many applications operate on time-“sensitive” data. Some of these data are only valid for certain intervals (e.g., job-assignments, versions of software code), others describe temporal events that happened at certain points in time (e.g., a person’s birthday). Until recently, the only way to incorporate time into Semantic Web models was as a data type property. Temporal RDF, however, considers time as an additional dimension in data preserving the semantics of time.   In this paper we present a syntax and storage format based on named graphs to express temporal RDF. Given the restriction to preexisting RDF-syntax, our approach can perform any temporal query using standard SPARQL syntax only. For convenience, we introduce a shorthand format called T-SPARQL for temporal queries and show how T-SPARQL queries can be translated to standard SPARQL. Additionally, we show that, depending on the underlying data's nature, the temporal RDF approach vastly reduces the number of triples by eliminating redundancies resulting in an increased performance for processing and querying. Last but not least, we introduce a new indexing approach method that can significantly reduce the time needed to execute time point queries (e.g., what happened on January 1st).</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/abraham-bernstein"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/jonas-tappolet"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>308-322</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/jonas-tappolet"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/abraham-bernstein"/>
        </swrc_ext:authorList>
        <rdfs:label>Applied Temporal RDF: Efficient Temporal Querying of RDF Data with SPARQL</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/abraham-bernstein"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/jonas-tappolet"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Annotation"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Data"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Data_integration"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Linked_Data"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Optimization_(computer_science)"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Performance_engineering"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Query"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/SPARQL"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Scalability"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/219">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/219"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Collaborative_software"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Database_management_system"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Performance_engineering"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Scalability"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/eva-kuehn"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/martin-murth"/>
        <dc:subject>continuous queries</dc:subject>
        <dc:subject>heuristics framework</dc:subject>
        <dc:subject>incremental result set updates</dc:subject>
        <dc:subject>semantic subscription processing</dc:subject>
        <dc:subject>similarity heuristics</dc:subject>
        <dc:title>A Heuristics Framework for Semantic Subscription Processing</dc:title>
        <swrc:abstract>The increasing adoption of semantic web technology in application scenarios with frequently changing data has imposed new requirements on the underlying tools. Reasoning algorithms need to be optimized for the processing of dynamic knowledge bases and semantic frameworks have to provide novel mechanisms for detecting changes of knowledge. Today, the latter is mostly realized by implementing simple polling mechanisms. However, this implies client-side post-processing of the received results, causes high response times and limits the overall throughput of the system. In this paper, we present a heuristics framework for realizing a subscription mechanism for dynamic knowledge bases. By analyzing similarities between published information and resulting notifications, heuristics can be employed to “guess” subsequent notifications. As testing the correctness of guessed notifications can be implemented efficiently, notifications can be delivered to the subscribers in an earlier processing phase and the system throughput can be increased. We experimentally evaluate our approach based on a concrete application scenario.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/eva-kuehn"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/martin-murth"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>96-110	</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/martin-murth"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/eva-kuehn"/>
        </swrc_ext:authorList>
        <rdfs:label>A Heuristics Framework for Semantic Subscription Processing</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/eva-kuehn"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/martin-murth"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Collaborative_software"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Database_management_system"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Performance_engineering"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Scalability"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/22">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/22"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Evaluation"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_%28computer_science%29"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_alignment"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_engineering"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/bernardo-cuenca-grau"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/ernesto-jimenez-ruiz"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/ian-horrocks"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/rafael-berlanga"/>
        <dc:subject>OWL</dc:subject>
        <dc:subject>Ontology Integration</dc:subject>
        <dc:subject>Ontology Mapping</dc:subject>
        <dc:subject>Semantic Web</dc:subject>
        <dc:title>Ontology Integration Using Mappings: Towards Getting the Right Logical Consequences</dc:title>
        <swrc:abstract>We propose a general method and novel algorithmic techniques to facilitate the integration of independently developed ontologies using mappings. Our method and techniques aim at helping users understand and evaluate the semantic consequences of the integration, as well as to detect and fix potential errors. We also present a system that implements our approach, and a preliminary evaluation which suggests that our approach is both useful and feasible in practice.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/bernardo-cuenca-grau"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/ernesto-jimenez-ruiz"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/ian-horrocks"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/rafael-berlanga"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>173-187</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/ernesto-jimenez-ruiz"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/bernardo-cuenca-grau"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/ian-horrocks"/>
            <rdf:_4 rdf:resource="http://data.semanticweb.org/person/rafael-berlanga"/>
        </swrc_ext:authorList>
        <rdfs:label>Ontology Integration Using Mappings: Towards Getting the Right Logical Consequences</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/bernardo-cuenca-grau"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/ernesto-jimenez-ruiz"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/ian-horrocks"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/rafael-berlanga"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Evaluation"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_%28computer_science%29"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_alignment"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_engineering"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/222">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/222"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Application"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Interoperability"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Performance_engineering"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Scalability"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Test"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Validation"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/marko-luther"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/olaf-noppens"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/sebastian-boehm"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/thorsten-liebig"/>
        <dc:subject>benchmarking</dc:subject>
        <dc:subject>ontology infrastructure</dc:subject>
        <dc:subject>real-world experiences</dc:subject>
        <dc:title>Who the Heck is the Father of Bob?</dc:title>
        <swrc:abstract>Finding the optimal selection of an OWL reasoner and service interface for a specific ontology-based application is challenging. Matching application requirements with service offerings from available reasoning engines has become more and more difficult over time with recent optimizations for certain reasoning services and new reasoning algorithms for different fragments of OWL. This work is largely motivated by real-world experiences and will report about interesting findings in the course of developing an ontology-based application. Benchmarking outcomes of several reasoning engines are discussed - especially with respect to accompanying sound and completeness tests. Furthermore we give an account of issues and a performance comparison with respect to various service and communication protocols which show that this largely neglected component may have an enormous impact on the overall performance.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/marko-luther"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/olaf-noppens"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/sebastian-boehm"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/thorsten-liebig"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>66-80</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/marko-luther"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/thorsten-liebig"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/sebastian-boehm"/>
            <rdf:_4 rdf:resource="http://data.semanticweb.org/person/olaf-noppens"/>
        </swrc_ext:authorList>
        <rdfs:label>Who the Heck is the Father of Bob?</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/marko-luther"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/olaf-noppens"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/sebastian-boehm"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/thorsten-liebig"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Application"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Interoperability"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Performance_engineering"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Scalability"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Test"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Validation"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/225">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/225"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Database_management_system"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Optimization_(computer_science)"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Performance_engineering"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Query"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/SPARQL"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Scalability"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Test"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Validation"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Visualization"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/enrico-minack"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/wolf-siberski"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/wolfgang-nejdl"/>
        <dc:subject>benchmark</dc:subject>
        <dc:subject>fulltext</dc:subject>
        <dc:subject>lubm</dc:subject>
        <dc:subject>rdf</dc:subject>
        <dc:title>Benchmarking Fulltext Search Performance of RDF Stores</dc:title>
        <swrc:abstract>More and more applications use the RDF framework as their data model and RDF stores to index and retrieve their data. Many of these applications require both structured queries as well as fulltext search. SPARQL addresses the first requirement in a standardized way, while fulltext search is provided by store-specific implementations. RDF benchmarks enable developers to compare structured query performance of different stores, but for fulltext search on RDF data no such benchmarks and comparisons exist so far. In this paper, we extend the LUBM benchmark with synthetic scalable fulltext data and corresponding queries for fulltext-related query performance evaluation. Based on the extended benchmark, we provide a detailed comparison of fulltext search features and performance of the most widely used RDF stores. Results show interesting RDF store insights for basic fulltext queries (classic IR queries) as well as hybrid queries (structured and fulltext queries). Our results are not only valuable for selecting the right RDF store for specific applications, but also reveal the need for performance improvements for certain kinds of queries.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/enrico-minack"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/wolf-siberski"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/wolfgang-nejdl"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>81-95</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/enrico-minack"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/wolf-siberski"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/wolfgang-nejdl"/>
        </swrc_ext:authorList>
        <rdfs:label>Benchmarking Fulltext Search Performance of RDF Stores</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/enrico-minack"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/wolf-siberski"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/wolfgang-nejdl"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Database_management_system"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Optimization_(computer_science)"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Performance_engineering"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Query"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/SPARQL"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Scalability"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Test"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Validation"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Visualization"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/227">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/227"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Annotation"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Application"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Data"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/E-Government"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/E-Learning"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/E-Science"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/E-health"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Electronic_business"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Language_technology"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Machine_learning"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Natural_language_processing"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_%28computer_science%29"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web_Services"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Web_service"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/goran-nenadic"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/hammad-afzal"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/robert-stevens"/>
        <dc:subject>Bioinformatics Web Services</dc:subject>
        <dc:subject>Natural Language Processing</dc:subject>
        <dc:subject>Ontology-based meta data generation</dc:subject>
        <dc:subject>Service Description</dc:subject>
        <dc:subject>Service Discovery</dc:subject>
        <dc:title>Mining Semantic Descriptions of Bioinformatics Web Services from the Literature</dc:title>
        <swrc:abstract>A number of projects (myGrid, BioMOBY, etc.) have been initiated to organise emerging bioinformatics Web Services and provide their semantic descriptions. They typically rely on manual curation efforts. In this paper we focus on a semi-automated approach to mine semantic descriptions from the bioinformatics literature. The method combines terminological processing and dependency parsing of journal articles, and applies information extraction techniques to profile Web services using informative textual passages, related ontological annotations and service descriptors. Service descriptors are terminological phrases reflecting specific roles (e.g. input, output, etc.) of the related semantic classes (e.g. algorithm, database, etc.). They can be used to facilitate subsequent manual description of services, but also for providing a semantic synopsis of a service that can be used to locate related services. We present a case-study involving a subset of full text articles from the BMC Bioinformatics journal. We illustrate the potential of natural language processing not only for mining descriptions of known services, but also for discovering new services that have been described in the literature.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/goran-nenadic"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/hammad-afzal"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/robert-stevens"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>535-549</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/hammad-afzal"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/robert-stevens"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/goran-nenadic"/>
        </swrc_ext:authorList>
        <rdfs:label>Mining Semantic Descriptions of Bioinformatics Web Services from the Literature</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/goran-nenadic"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/hammad-afzal"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/robert-stevens"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Annotation"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Application"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Data"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/E-Government"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/E-Learning"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/E-Science"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/E-health"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Electronic_business"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Language_technology"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Machine_learning"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Natural_language_processing"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_%28computer_science%29"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Semantic_Web_Services"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Web_service"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/230">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/230"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Database_management_system"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Optimization_(computer_science)"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Query"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/SPARQL"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Visualization"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/alexandra-poulovassilis"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/carlos-hurtado"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/peter-wood"/>
        <dc:subject>Approximate matching</dc:subject>
        <dc:subject>Query evaluation</dc:subject>
        <dc:subject>RDF</dc:subject>
        <dc:subject>Ranking</dc:subject>
        <dc:title>Ranking approximate answers to semantic web queries</dc:title>
        <swrc:abstract>We consider the problem of a user querying semistructured data such as RDF without knowing its structure.  In these circumstances, it is helpful if the querying system can perform an approximate matching of the user's query to the data and can rank the answers in terms of how closely they match the original query.  We show that our approximate matching framework allows us to incorporate RDFS inference rules as well as standard notions of approximation such as edit distance, thereby capturing semantic as well as syntactic approximations.  The query language we adopt comprises conjunctions of regular path queries, thus including extensions proposed for SPARQL to allow for querying paths using regular expressions.  We provide an incremental query evaluation algorithm which runs in polynomial time and returns answers to the user in ranked order.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/alexandra-poulovassilis"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/carlos-hurtado"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/peter-wood"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>263-277</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/carlos-hurtado"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/alexandra-poulovassilis"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/peter-wood"/>
        </swrc_ext:authorList>
        <rdfs:label>Ranking approximate answers to semantic web queries</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/alexandra-poulovassilis"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/carlos-hurtado"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/peter-wood"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Database_management_system"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Optimization_(computer_science)"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Query"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/SPARQL"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Visualization"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/232">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/232"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Data"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Data_integration"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Interoperability"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Linked_Data"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Optimization_(computer_science)"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Query"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/SPARQL"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Social_network"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Visualization"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Web_2.0"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/claudio-gutierrez"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/mauro-san-martin"/>
        <dc:subject>RDF</dc:subject>
        <dc:subject>SPARQL</dc:subject>
        <dc:subject>Social Networks</dc:subject>
        <dc:title>Representing, Querying and Transforming Social Networks with RDF/SPARQL</dc:title>
        <swrc:abstract>As \emph{social networks} are becoming ubiquitous on the Web,  the Semantic Web goals indicate  that  it is critical to have a standard model allowing exchange, interoperability,  transformation, and querying of social network data.   In this paper we show that RDF/SPARQL meet this \emph{desiderata}. Building on developments of {\em social network analysis},  {\em graph databases} and {\em Semantic Web},  we present a social networks data model  based on RDF, and a query and transformation language based on SPARQL meeting the above requirements. We study its expressive power and complexity showing that it behaves well, and present an illustrative prototype.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/claudio-gutierrez"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/mauro-san-martin"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>293-307</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/mauro-san-martin"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/claudio-gutierrez"/>
        </swrc_ext:authorList>
        <rdfs:label>Representing, Querying and Transforming Social Networks with RDF/SPARQL</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/claudio-gutierrez"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/mauro-san-martin"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Data"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Data_integration"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Interoperability"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Linked_Data"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Optimization_(computer_science)"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Query"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/SPARQL"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Social_network"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Visualization"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Web_2.0"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/234">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/234"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Application"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Data"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Data_integration"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/E-Government"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/E-Learning"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/E-Science"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/E-health"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Electronic_business"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Interoperability"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Linked_Data"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/harry-halpin"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/valentina-presutti"/>
        <dc:subject>linked data</dc:subject>
        <dc:subject>ontology</dc:subject>
        <dc:subject>resource</dc:subject>
        <dc:subject>validation</dc:subject>
        <dc:title>An Ontology of Resources: Solving the Identity Crisis</dc:title>
        <swrc:abstract>The primary goal of the Semantic Web is to use URIs as a universal space to name anything, expanding from using URIs for  webpages to URIs for “real ob jects and imaginary concepts” as put by Berners-Lee. This distinction has often been tied to the distinction between information resources, like webpages and multimedia ﬁles, and non-information resources, which are everything from real-people and bound books. Furthermore, the W3C has recommended not to use the same URI for information resources and non-information resources, and several communities like the Linked Data initiative are deploying this principle. Yet, the deﬁnition put forward by the W3C, that non-information resources are things whose “essential nature is information” seems confusing at best. For example, would the text of Moby Dick be an information resource? While this problem could safely be ignored up till now as a mere distraction, with both the rise of Linked Data, projects  like OKKAM, and recent work on modelling HTTP in RDF for error  reports, it appears that this problem must be modelled formally. An ontology called IRW (Identity and Reference on the Web) of various types of resources and their relationships, both for the hypertext Web and the Semantic Web, is presented. It builds upon Information Object Lite (an extension of DOLCE Ultra Lite for describing information objects) and IRE and aligns with the work of the W3C in modelling HTTP in RDF and Berners-Lee’s Tabulator ontology. It can be used as a tool to make the Semantic Web more self-describing, and it  also allows inference to be used to test for membership in various classes of resource, and so for validating Linked Data.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/harry-halpin"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/valentina-presutti"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>521-534</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/harry-halpin"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/valentina-presutti"/>
        </swrc_ext:authorList>
        <rdfs:label>An Ontology of Resources: Solving the Identity Crisis</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/harry-halpin"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/valentina-presutti"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Application"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Data"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Data_integration"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/E-Government"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/E-Learning"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/E-Science"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/E-health"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Electronic_business"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Interoperability"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Linked_Data"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/27">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/27"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Data_mining"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Query"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Visualization"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/claudia-damato"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/floriana-esposito"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/nicola-fanizzi"/>
        <dc:subject>Approximate classification</dc:subject>
        <dc:subject>Inductive inference</dc:subject>
        <dc:subject>Likelihood</dc:subject>
        <dc:subject>Machine Learning</dc:subject>
        <dc:subject>Reduced Coulomb Energy Networks</dc:subject>
        <dc:title>ReduCE: A Reduced Coulomb Energy Network Method for Approximate Classication</dc:title>
        <swrc:abstract>In order to overcome the limitations of the purely deductive approaches to query answering from ontologies, inductive (instance-based) methods have been proposed as efficient and noise-tolerant tools. In this paper we propose an original approach based on non-parametric learning: the Reduced Coulomb Energy Network classifier. The method requires a limited training effort (more than nearest neighbor yet less than kernel machines) but can turn out to be very effective in the classification phase. Casting retrieval as the problem of assessing class-memberships w.r.t. the query concepts, we propose an extension of a classification algorithm using a Reduced Coulomb Energy Network based on an entropic similarity measure for OWL. Experimentally we show that the behavior of the classifier is comparable with the one of a standard reasoner and is often more efficient than with other inductive approaches. Moreover we show that new knowledge (not logically derivable) is induced.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/claudia-damato"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/floriana-esposito"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/nicola-fanizzi"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>323-337</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/nicola-fanizzi"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/claudia-damato"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/floriana-esposito"/>
        </swrc_ext:authorList>
        <rdfs:label>ReduCE: A Reduced Coulomb Energy Network Method for Approximate Classication</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/claudia-damato"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/floriana-esposito"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/nicola-fanizzi"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Data_mining"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Query"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Visualization"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/33">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/33"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Data"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Formal_languages"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Inference"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Interoperability"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Logic"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Rule_of_inference"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/cristina-feier"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/stijn-heymans"/>
        <dc:subject>hybrid reasoning</dc:subject>
        <dc:subject>integration ontologies and rules</dc:subject>
        <dc:subject>minimal model semantics</dc:subject>
        <dc:subject>rule language</dc:subject>
        <dc:title>Hybrid Reasoning with Forest Logic Programs</dc:title>
        <swrc:abstract>Open Answer Set Programming (OASP) is an attractive framework for integrating ontologies and rules.  Although several decidable fragments of OASP have been identified, few reasoning procedures exist. In this paper, we provide a sound, complete, and terminating algorithm for satisfiability checking w.r.t. forest logic programs, a fragment where rules have a tree shape and allow for inequality atoms and constants. We further introduce f-hybrid knowledge bases, a hybrid framework where SHOQ knowledge bases and forest logic programs co-exist, and we show that reasoning with such knowledge bases can be reduced to reasoning with forest logic programs only.  We note that f-hybrid knowledge bases do not require the usual (weakly) DL-safety of the rule component, providing thus a genuine alternative approach to hybrid reasoning.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/cristina-feier"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/stijn-heymans"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>338-352</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/cristina-feier"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/stijn-heymans"/>
        </swrc_ext:authorList>
        <rdfs:label>Hybrid Reasoning with Forest Logic Programs</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/cristina-feier"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/stijn-heymans"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Data"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Formal_languages"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Inference"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Interoperability"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Logic"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Rule_of_inference"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/34">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/34"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Annotation"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Data"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/gaelle-hignette"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/juliette-dibie-barthelemy"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/ollivier-haemmerle"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/patrice-buche"/>
        <dc:subject>fuzzy set theory</dc:subject>
        <dc:subject>ontology driven method</dc:subject>
        <dc:subject>semantic relation instanciation</dc:subject>
        <dc:subject>semantic relation recognition</dc:subject>
        <dc:title>Fuzzy annotation of web data tables using a domain ontology</dc:title>
        <swrc:abstract>We propose an automatic system for annotating accurately data tables extracted from the web. This system is designed to provide additional data to an existing querying system called MIEL, which relies on a common vocabulary used to query local relational databases. We will use the same vocabulary, translated into an OWL ontology, to annotate the tables. Our annotation system is unsupervised. It uses only the knowledge defined in the ontology to automatically annotate the entire content of tables, using an aggregation approach: first annotate cells, then columns, then relations between those columns. The annotations are fuzzy: instead of linking an element of the table with a precise concept of the ontology, the elements of the table are annotated with several concepts, associated with their relevance degree. Our annotation process has been validated experimentally on scientific domains (microbial risk in food, chemical risk in food) and a technical domain (aeronautics).</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/gaelle-hignette"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/juliette-dibie-barthelemy"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/ollivier-haemmerle"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/patrice-buche"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>638-653</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/gaelle-hignette"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/patrice-buche"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/juliette-dibie-barthelemy"/>
            <rdf:_4 rdf:resource="http://data.semanticweb.org/person/ollivier-haemmerle"/>
        </swrc_ext:authorList>
        <rdfs:label>Fuzzy annotation of web data tables using a domain ontology</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/gaelle-hignette"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/juliette-dibie-barthelemy"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/ollivier-haemmerle"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/patrice-buche"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Annotation"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Data"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/39">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/39"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Evaluation"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Language_technology"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Machine_learning"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Natural_language_processing"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_%28computer_science%29"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_engineering"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/michael-sintek"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/paul-buitelaar"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/peter-haase"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/philipp-cimiano"/>
        <dc:subject>linguistic grounding of ontologies</dc:subject>
        <dc:subject>ontologies and multilinguality</dc:subject>
        <dc:subject>ontology enrichment for text mining</dc:subject>
        <dc:subject>ontology-based lexicon model</dc:subject>
        <dc:subject>ontology-based natural language processing</dc:subject>
        <dc:title>Towards Linguistically Grounded Ontologies</dc:title>
        <swrc:abstract>In this paper we argue why it is necessary to associate linguistic information with ontologies and why more expressive models, beyond RDFS, OWL and SKOS, are needed to capture the relation between natural language constructs on the one hand and ontological entities on the other. We argue that in the light of tasks such as ontology-based information extraction, ontology learning and population from text and natural language generation from ontologies, currently available datamodels are not sufficient as they only allow to associate atomic terms without linguistic grounding or structure to ontology elements. Towards realizing a more expressive model for associating linguistic information to ontology elements, we base our work presented here on previously developed models (LingInfo, LexOnto, LMF) and present a new joint model for linguistic grounding of ontologies called LexInfo. LexInfo combines essential design aspects of LingInfo and LexOnto and builds on a sound model for representing computational lexica called LMF which has been recently approved as a standard under ISO.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/michael-sintek"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/paul-buitelaar"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/peter-haase"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/philipp-cimiano"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>111-125</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/paul-buitelaar"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/philipp-cimiano"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/peter-haase"/>
            <rdf:_4 rdf:resource="http://data.semanticweb.org/person/michael-sintek"/>
        </swrc_ext:authorList>
        <rdfs:label>Towards Linguistically Grounded Ontologies</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/michael-sintek"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/paul-buitelaar"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/peter-haase"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/philipp-cimiano"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Evaluation"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Language_technology"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Machine_learning"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Natural_language_processing"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_%28computer_science%29"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_engineering"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/44">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/44"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Formal_languages"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Inference"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Logic"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Optimization_(computer_science)"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Query"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Rule_of_inference"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/SPARQL"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/chan-le-duc"/>
        <dc:subject>OWL</dc:subject>
        <dc:subject>decidability</dc:subject>
        <dc:subject>description logics</dc:subject>
        <dc:subject>tableaux</dc:subject>
        <dc:title>Decidability of $\mathcal{SHI}$ with transitive closure of roles</dc:title>
        <swrc:abstract>This paper investigates a Description Logic, namely $\mathcal{SHI}_+$, which extends $\mathcal{SHI}$ by adding  transitive closure of roles. The resulting logic $\mathcal{SHI}_+$ allows transitive closure of roles to occur not only in concept inclusion axioms but also in role inclusion axioms. We show that $\mathcal{SHI}_+$ is decidable by devising a sound and complete algorithm for deciding satisfiability of concepts in $\mathcal{SHI}_+$ with respect to a set of concept and role inclusion axioms.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/chan-le-duc"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>368-383</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/chan-le-duc"/>
        </swrc_ext:authorList>
        <rdfs:label>Decidability of $\mathcal{SHI}$ with transitive closure of roles</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/chan-le-duc"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Formal_languages"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Inference"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Logic"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Optimization_(computer_science)"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Query"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Rule_of_inference"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/SPARQL"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/47">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/47"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Database_management_system"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Query"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Visualization"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/andrea-tagarelli"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/mario-longo"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/sergio-greco"/>
        <dc:subject>WordNet</dc:subject>
        <dc:subject>XML data</dc:subject>
        <dc:subject>semantic relatedness</dc:subject>
        <dc:subject>word sense disambiguation</dc:subject>
        <dc:title>Word Sense Disambiguation for XML Structure Feature Generation</dc:title>
        <swrc:abstract>A common limit of most existing methods that manage  XML structure information is that they do not handle  the semantic meanings that might be associated to the markup tags.   In this paper, we study how to map structure information  available from XML elements into semantically related  concepts in order to support the generation of XML semantic features  of XML structural type. For this purpose,   we define an unsupervised word sense disambiguation method to  select the most appropriate meaning for each element  contextually to its respective XML path.  The proposed approach exploits conceptual relations provided by  a lexical ontology such as WordNet  and employs different notions of sense relatedness.  Experiments with data from various application domains  are discussed, showing that our approach can be  effectively used to generate structural semantic features.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/andrea-tagarelli"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/mario-longo"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/sergio-greco"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>143-157</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/andrea-tagarelli"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/mario-longo"/>
            <rdf:_3 rdf:resource="http://data.semanticweb.org/person/sergio-greco"/>
        </swrc_ext:authorList>
        <rdfs:label>Word Sense Disambiguation for XML Structure Feature Generation</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/andrea-tagarelli"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/mario-longo"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/sergio-greco"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Database_management_system"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Query"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Search_engine"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Visualization"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/5">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/5"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Application"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Data"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Interoperability"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Quality"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Web_service"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/bela-genge"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/piroska-haller"/>
        <dc:subject>Web services</dc:subject>
        <dc:subject>automated execution</dc:subject>
        <dc:subject>middleware</dc:subject>
        <dc:subject>ontologies</dc:subject>
        <dc:subject>security protocols</dc:subject>
        <dc:title>Middleware for Automated Implementation of Security Protocols</dc:title>
        <swrc:abstract>We propose a middleware for automated implementation of security protocols for Web services. The proposed middleware consists of two main layers: the communication layer and the service layer. The communication layer is built on the SOAP layer and ensures the implementation of security and service protocols. The service layer provides the discovery of services and the authorization of client applications. In order to provide automated access to the platform services we propose a novel specification of security protocols, consisting of a sequential component, implemented as a WSDL-S specification, and an ontology component, implemented as an OWL specification. Specifications are generated using a set of rules, where information related to the implementation of properties such as cryptographic algorithms or key sizes, are provided by the user. The applicability of the proposed middleware is validated by implementing a video surveillance system.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/bela-genge"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/piroska-haller"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>476-490</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/bela-genge"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/piroska-haller"/>
        </swrc_ext:authorList>
        <rdfs:label>Middleware for Automated Implementation of Security Protocols</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/bela-genge"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/piroska-haller"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Application"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Data"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Interoperability"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Quality"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Web_service"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/70">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/70"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Annotation"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Data"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Knowledge_management"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Performance_engineering"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Scalability"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_desktop"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/bernhard-haslhofer"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/bernhard-schandl"/>
        <dc:subject>data model</dc:subject>
        <dc:subject>file annotations</dc:subject>
        <dc:subject>file systems</dc:subject>
        <dc:subject>infrastructure</dc:subject>
        <dc:subject>semantic desktop</dc:subject>
        <dc:title>The Sile Model --- A Semantic File System Infrastructure for the Desktop</dc:title>
        <swrc:abstract>With the increasing storage capacity of personal computing devices, the problems of information overload and information fragmentation become apparent on users' desktops. For the Web, semantic technologies aim at solving this problem by adding a machine-interpretable information layer on top of existing resources, and it has been shown that the application of these technologies to desktop environments is helpful for end users. Certain characteristics of the Semantic Web architecture that are commonly accepted in the Web context, however, are not desirable for desktops; e.g., incomplete information, broken links, or disruption of content and annotations. To overcome these limitations, we propose the sile model, an intermediate data model that combines attributes of the Semantic Web and file systems. This model is intended to be the conceptual foundation of the Semantic Desktop, and to serve as underlying infrastructure on which applications and further services, e.g., virtual file systems, can be built. In this paper, we present the sile model, discuss Semantic Web vocabularies that can be used in the context of this model to annotate desktop data, and analyze the performance of typical operations on a virtual file system implementation that is based on this model.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/bernhard-haslhofer"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/bernhard-schandl"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>50-65</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/bernhard-schandl"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/bernhard-haslhofer"/>
        </swrc_ext:authorList>
        <rdfs:label>The Sile Model --- A Semantic File System Infrastructure for the Desktop</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/bernhard-haslhofer"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/bernhard-schandl"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Annotation"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Data"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Knowledge_management"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Performance_engineering"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Scalability"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Semantic_desktop"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/71">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/71"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_%28computer_science%29"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Ontology_alignment"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <isPartOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/proceedings"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/patrick-lambrix"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/qiang-liu"/>
        <dc:subject>Ontology Alignment</dc:subject>
        <dc:subject>partial reference alignment</dc:subject>
        <dc:title>Using partial reference alignments to align ontologies</dc:title>
        <swrc:abstract>In different areas ontologies have been developed and many of these ontologies contain overlapping information. Often we would therefore want to be able to use multiple ontologies. To obtain good results, we need to find the relationships between terms in the different ontologies, i.e. we need to align them.  Currently, there already exist a number of ontology alignment systems. In these systems an alignment is computed from scratch. However, recently, some situations have occurred where a partial reference alignment is available, i.e. some of the correct mappings between terms are given or have been obtained. In this paper we investigate whether and how a partial reference alignment can be used in ontology alignment. We use partial reference alignments to partition ontologies, to compute similarities between terms and to filter alignment suggestions. We test the approaches on previously developed golden standards and discuss the results.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/patrick-lambrix"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/qiang-liu"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>188-202</swrc:pages>
        <swrc:year>2009</swrc:year>
        <swrc_ext:authorList rdf:parseType="Resource">
            <rdf:_1 rdf:resource="http://data.semanticweb.org/person/patrick-lambrix"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/qiang-liu"/>
        </swrc_ext:authorList>
        <rdfs:label>Using partial reference alignments to align ontologies</rdfs:label>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/patrick-lambrix"/>
        <foaf:maker rdf:resource="http://data.semanticweb.org/person/qiang-liu"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_%28computer_science%29"/>
        <foaf:topic rdf:resource="http://dbpedia.org/resource/Ontology_alignment"/>
    </swrc:InProceedings>

    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/88">
        <hasRelatedEvent rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/88"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Semantic_Web_Services"/>
        <hasTopic rdf:resource="http://dbpedia.org/resource/Test"/>
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        <dc:creator rdf:resource="http://data.semanticweb.org/person/monika-solanki"/>
        <dc:subject>MCMAS</dc:subject>
        <dc:subject>OWL-S</dc:subject>
        <dc:subject>model checking</dc:subject>
        <dc:subject>multi agent systems</dc:subject>
        <dc:subject>verification</dc:subject>
        <dc:title>Towards an agent based approach for verification of OWL-S   process models</dc:title>
        <swrc:abstract>In this paper we investigate the transformation of OWL-S process   models to ISPL - the system description language for MCMAS, a   symbolic model checker for multi agent systems. We take the view   that services can be considered as agents and service compositions   as multi agent systems. We illustrate how atomic and composite   processes in OWL-S can be encoded into ISPL using the proposed   transformation rules for a restricted set of data types.  As an   illustrative example, we use an extended version of the BravoAir   process model. We formalise certain interesting properties of the   example in temporal-epistemic logic and present results from their   verification using MCMAS.</swrc:abstract>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/monika-solanki"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>578-592</swrc:pages>
        <swrc:year>2009</swrc:year>
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    <swrc:InProceedings rdf:about="http://data.semanticweb.org/conference/eswc/2009/paper/96">
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        <dc:creator rdf:resource="http://data.semanticweb.org/person/igor-popov"/>
        <dc:creator rdf:resource="http://data.semanticweb.org/person/tobias-buerger"/>
        <dc:subject>cost estimation</dc:subject>
        <dc:subject>ontology economics</dc:subject>
        <dc:subject>preliminary data analysis</dc:subject>
        <dc:subject>survey</dc:subject>
        <dc:title>ONTOCOM Revisited: Towards Accurate Cost Predictions for Ontology Development Projects</dc:title>
        <swrc:abstract>Reliable methods to assess the costs and benefits of ontologies are an important instrument to demonstrate the tangible business value of semantic technologies within enterprises, as an argument to encourage their wide-scale adoption. The economic aspects of ontologies have been investigated in previous work of ours. With ONTOCOM we proposed a cost estimation model for ontologies and ontology development projects. This paper revisits this model and presents its latest achievements. We report on a comprehensive calibration of ONTOCOM based on a considerably larger data set of 148 ontology development projects. The calibration used a combination of statistical methods, ranging from preliminary data analysis to regression and Bayes analysis, and resulted a significant improvement of the prediction quality of up to 50%. In addition, the availability of a representative data set allowed us to identify meaningful directions for customizing the generic cost model along particular types of ontologies, and ontology-like structures as those specific to the emerging Web 3.0. Last but not least, we developed a software tool that allows ontology development project managers to easily use and adapt and to systematically calibrate the model, thus facilitating its adoption in real-world projects.</swrc:abstract>
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        <swrc:author rdf:resource="http://data.semanticweb.org/person/igor-popov"/>
        <swrc:author rdf:resource="http://data.semanticweb.org/person/tobias-buerger"/>
        <swrc:month>June</swrc:month>
        <swrc:pages>248-262</swrc:pages>
        <swrc:year>2009</swrc:year>
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        <rdfs:label>ONTOCOM Revisited: Towards Accurate Cost Predictions for Ontology Development Projects</rdfs:label>
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    </swrc:InProceedings>

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        <swrc:address> Berlin, Heidelberg, New York</swrc:address>
        <swrc:booktitle>The Semantic Web: Research and Applications. Proceedings of the 6th European Semantic Web Conference, ESWC2009, Heraklion, Greece, 31 May - 4 June, 2009</swrc:booktitle>
        <swrc:editor rdf:resource="http://data.semanticweb.org/person/eero-hyvoenen"/>
        <swrc:editor rdf:resource="http://data.semanticweb.org/person/elena-paslaru-bontas-simperl"/>
        <swrc:editor rdf:resource="http://data.semanticweb.org/person/eyal-oren"/>
        <swrc:editor rdf:resource="http://data.semanticweb.org/person/fabio-ciravegna"/>
        <swrc:editor rdf:resource="http://data.semanticweb.org/person/lora-aroyo"/>
        <swrc:editor rdf:resource="http://data.semanticweb.org/person/marta-sabou"/>
        <swrc:editor rdf:resource="http://data.semanticweb.org/person/paolo-traverso"/>
        <swrc:editor rdf:resource="http://data.semanticweb.org/person/philipp-cimiano"/>
        <swrc:editor rdf:resource="http://data.semanticweb.org/person/riichiro-mizoguchi"/>
        <swrc:editor rdf:resource="http://data.semanticweb.org/person/tom-heath"/>
        <swrc:month>June</swrc:month>
        <swrc:series>Lecture Notes in Computer Science (LNCS)</swrc:series>
        <swrc:year>2009</swrc:year>
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            <rdf:_10 rdf:resource="http://data.semanticweb.org/person/elena-paslaru-bontas-simperl"/>
            <rdf:_2 rdf:resource="http://data.semanticweb.org/person/lora-aroyo"/>
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            <rdf:_9 rdf:resource="http://data.semanticweb.org/person/marta-sabou"/>
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    </swrc:Proceedings>

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        <rdfs:label>An Integrated Approach to Extracting Ontological Structures from Folksonomies</rdfs:label>
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        <ical:summary>An Integrated Approach to Extracting Ontological Structures from Folksonomies</ical:summary>
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        <ical:summary>Improving Ontology Matching using Meta-level Learning</ical:summary>
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        <ical:summary>Concept Search</ical:summary>
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        <rdfs:label>A Core Ontology of Knowledge Acquisition</rdfs:label>
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        <ical:summary>A Core Ontology of Knowledge Acquisition</ical:summary>
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        <rdfs:label>Semantic Wiki Search</rdfs:label>
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        <ical:summary>Semantic Wiki Search</ical:summary>
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        <ical:summary>User Evaluation Study of a Tagging Approach to Semantic Mapping</ical:summary>
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        <ical:duration>PT30M</ical:duration>
        <ical:summary>Semantic Matching using the UMLS</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/15">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/15"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsVII-reasoning"/>
        <rdfs:label>A Tableau Algorithm for Handling Inconsistency in OWL</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-03T15:30:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>A Tableau Algorithm for Handling Inconsistency in OWL</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/150">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/150"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsXIV-tagging-and-annotation-II"/>
        <rdfs:label>Reducing Ambiguity in Tagging Systems with Folksonomy Search Expansion</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-04T15:30:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Reducing Ambiguity in Tagging Systems with Folksonomy Search Expansion</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/151">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/151"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsXIII-reasoning-II"/>
        <rdfs:label>FO(ID) as an Extension of DL with Rules</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-04T15:30:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>FO(ID) as an Extension of DL with Rules</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/159">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/159"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsXIII-reasoning-II"/>
        <rdfs:label>SIM–DLA: A Novel Semantic Similarity Measure for Description Logics Reducing Inter-Concept to Inter-Instance Similarity</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-04T14:30:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>SIM–DLA: A Novel Semantic Similarity Measure for Description Logics Reducing Inter-Concept to Inter-Instance Similarity</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/162">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/162"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsXII-search-and-identities"/>
        <rdfs:label>How to Trace and Revise Identities</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-04T11:00:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>How to Trace and Revise Identities</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/163">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/163"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsVI-semantic-web-architectures"/>
        <rdfs:label>Can RDB2RDF Tools Feasibly Expose Large Science Archives for Data Integration?</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-03T11:30:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Can RDB2RDF Tools Feasibly Expose Large Science Archives for Data Integration?</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/180">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/180"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsVI-semantic-web-architectures"/>
        <rdfs:label>A Flexible API and Editor for SKOS</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-03T12:00:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>A Flexible API and Editor for SKOS</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/181">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/181"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsX-tagging-and-annotation-I"/>
        <rdfs:label>Neighborhood-based Tag Prediction</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-04T11:00:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Neighborhood-based Tag Prediction</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/186">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/186"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsII-applications"/>
        <rdfs:label>RadSem: Semantic Annotation and Retrieval for Medical Images</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-02T11:30:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>RadSem: Semantic Annotation and Retrieval for Medical Images</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/192">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/192"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsVIII-ontology-engineering"/>
        <rdfs:label>Embedding Knowledge Patterns into OWL</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-03T14:30:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Embedding Knowledge Patterns into OWL</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/198">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/198"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsXII-search-and-identities"/>
        <rdfs:label>Applying Semantic Social Graphs to Disambiguate Identity References</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-04T12:30:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Applying Semantic Social Graphs to Disambiguate Identity References</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/201">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/201"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsII-applications"/>
        <rdfs:label>Semanta – Email Made Easy</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-02T12:00:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Semanta – Email Made Easy</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/203">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/203"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsXI-semantic-web-services-II"/>
        <rdfs:label>Enhancing Service Selection by Semantic QoS</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-04T12:00:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Enhancing Service Selection by Semantic QoS</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/205">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/205"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsXI-semantic-web-services-II"/>
        <rdfs:label>Leveraging Semantic Web Service Descriptions for Validation by Automated Functional Testing</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-04T12:30:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Leveraging Semantic Web Service Descriptions for Validation by Automated Functional Testing</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/218">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/218"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsI-query-processing"/>
        <rdfs:label>Applied Temporal RDF: Efficient Temporal Querying of RDF Data with SPARQL</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-02T12:30:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Applied Temporal RDF: Efficient Temporal Querying of RDF Data with SPARQL</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/219">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/219"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsIX-evaluation-and-benchmarking"/>
        <rdfs:label>A Heuristics Framework for Semantic Subscription Processing</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-03T15:30:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>A Heuristics Framework for Semantic Subscription Processing</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/22">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/22"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsV-ontology-alignment"/>
        <rdfs:label>Ontology Integration Using Mappings: Towards Getting the Right Logical Consequences</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-03T11:30:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Ontology Integration Using Mappings: Towards Getting the Right Logical Consequences</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/222">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/222"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsIX-evaluation-and-benchmarking"/>
        <rdfs:label>Who the Heck is the Father of Bob?</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-03T14:30:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Who the Heck is the Father of Bob?</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/225">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/225"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsIX-evaluation-and-benchmarking"/>
        <rdfs:label>Benchmarking Fulltext Search Performance of RDF Stores</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-03T15:00:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Benchmarking Fulltext Search Performance of RDF Stores</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/227">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/227"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsIII-semantic-web-services-I"/>
        <rdfs:label>Mining Semantic Descriptions of Bioinformatics Web Services from the Literature</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-02T14:30:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Mining Semantic Descriptions of Bioinformatics Web Services from the Literature</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/230">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/230"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsI-query-processing"/>
        <rdfs:label>Ranking Approximate Answers to Semantic Web Queries</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-02T11:00:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Ranking Approximate Answers to Semantic Web Queries</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/232">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/232"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsI-query-processing"/>
        <rdfs:label>Representing, Querying and Transforming Social Networks with RDF/SPARQL</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-02T12:00:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Representing, Querying and Transforming Social Networks with RDF/SPARQL</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/234">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/234"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsVI-semantic-web-architectures"/>
        <rdfs:label>An Ontology of Resources: Solving the Identity Crisis</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-03T12:30:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>An Ontology of Resources: Solving the Identity Crisis</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/27">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/27"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsVII-reasoning"/>
        <rdfs:label>ReduCE: A Reduced Coulomb Energy Network Method for Approximate Classification</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-03T14:30:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>ReduCE: A Reduced Coulomb Energy Network Method for Approximate Classification</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/33">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/33"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsVII-reasoning"/>
        <rdfs:label>Hybrid Reasoning with Forest Logic Programs</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-03T15:00:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Hybrid Reasoning with Forest Logic Programs</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/34">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/34"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsXIV-tagging-and-annotation-II"/>
        <rdfs:label>Fuzzy Annotation of Web Data Tables using a Domain Ontology</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-04T14:30:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Fuzzy Annotation of Web Data Tables using a Domain Ontology</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/39">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/39"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsIV-ontologies-and-natural-language"/>
        <rdfs:label>Towards Linguistically Grounded Ontologies</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-02T14:30:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Towards Linguistically Grounded Ontologies</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/44">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/44"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsXIII-reasoning-II"/>
        <rdfs:label>Decidability of SHI with Transitive Closure of Roles</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-04T15:00:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Decidability of SHI with Transitive Closure of Roles</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/47">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/47"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsIV-ontologies-and-natural-language"/>
        <rdfs:label>Word Sense Disambiguation for XML Structure Feature Generation</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-02T15:30:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Word Sense Disambiguation for XML Structure Feature Generation</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/5">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/5"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsVI-semantic-web-architectures"/>
        <rdfs:label>Middleware for Automated Implementation of Security Protocols</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-03T11:00:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Middleware for Automated Implementation of Security Protocols</ical:summary>
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    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/70">
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        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsII-applications"/>
        <rdfs:label>The Sile Model – A Semantic File System Infrastructure for the Desktop</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-02T12:30:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>The Sile Model – A Semantic File System Infrastructure for the Desktop</ical:summary>
    </PaperPresentation>

    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/71">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/71"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsV-ontology-alignment"/>
        <rdfs:label>Using Partial Reference Alignments to Align Ontologies</rdfs:label>
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            <ical:date>2009-06-03T12:00:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Using Partial Reference Alignments to Align Ontologies</ical:summary>
    </PaperPresentation>

    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/88">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/88"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsIII-semantic-web-services-I"/>
        <rdfs:label>Towards an Agent-based Approach for Verification of OWL-S Process Models</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-02T15:30:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>Towards an Agent-based Approach for Verification of OWL-S Process Models</ical:summary>
    </PaperPresentation>

    <PaperPresentation rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/96">
        <hasRelatedDocument rdf:resource="http://data.semanticweb.org/conference/eswc/2009/paper/96"/>
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/session/rsVIII-ontology-engineering"/>
        <rdfs:label>ONTOCOM Revisited: Towards Accurate Cost Predictions for Ontology Development Projects</rdfs:label>
        <ical:dtstart rdf:parseType="Resource">
            <ical:date>2009-06-03T15:30:00</ical:date>
            <ical:tzid>GMT+2</ical:tzid>
        </ical:dtstart>
        <ical:duration>PT30M</ical:duration>
        <ical:summary>ONTOCOM Revisited: Towards Accurate Cost Predictions for Ontology Development Projects</ical:summary>
    </PaperPresentation>

    <SessionEvent rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/session/dsI">
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/demo-track"/>
        <rdfs:label>Demo Papers I</rdfs:label>
        <ical:summary>Demo Papers I</ical:summary>
    </SessionEvent>

    <SessionEvent rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/session/dsII">
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        <rdfs:label>Demo Papers II</rdfs:label>
        <ical:summary>Demo Papers II</ical:summary>
    </SessionEvent>

    <SessionEvent rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/session/isI-bringing-legacy-content-to-the-semantic-web">
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/sw-in-use-track"/>
        <rdfs:label>In-Use I: Bringing Legacy Content to the Semantic Web</rdfs:label>
        <ical:summary>In-Use I: Bringing Legacy Content to the Semantic Web</ical:summary>
    </SessionEvent>

    <SessionEvent rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/session/isII-linked-data">
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/sw-in-use-track"/>
        <rdfs:label>In-Use II: Linked Data</rdfs:label>
        <ical:summary>In-Use II: Linked Data</ical:summary>
    </SessionEvent>

    <SessionEvent rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/session/rsI-query-processing">
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/133"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/218"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/230"/>
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        <rdfs:label>Research I: Query Processing</rdfs:label>
        <ical:summary>Research I: Query Processing</ical:summary>
    </SessionEvent>

    <SessionEvent rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/session/rsII-applications">
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/127"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/186"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/201"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/70"/>
        <rdfs:label>Research II: Applications</rdfs:label>
        <ical:summary>Research II: Applications</ical:summary>
    </SessionEvent>

    <SessionEvent rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/session/rsIII-semantic-web-services-I">
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/125"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/227"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/88"/>
        <rdfs:label>Research III: Semantic Web Services I</rdfs:label>
        <ical:summary>Research III: Semantic Web Services I</ical:summary>
    </SessionEvent>

    <SessionEvent rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/session/rsIV-ontologies-and-natural-language">
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/143"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/39"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/47"/>
        <rdfs:label>Research IV: Ontologies and Natural Language</rdfs:label>
        <ical:summary>Research IV: Ontologies and Natural Language</ical:summary>
    </SessionEvent>

    <SessionEvent rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/session/rsIX-evaluation-and-benchmarking">
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/219"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/222"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/225"/>
        <rdfs:label>Research IX: Evaluation and Benchmarking</rdfs:label>
        <ical:summary>Research IX: Evaluation and Benchmarking</ical:summary>
    </SessionEvent>

    <SessionEvent rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/session/rsV-ontology-alignment">
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/101"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/147"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/22"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/71"/>
        <rdfs:label>Research V: Ontology Alignment</rdfs:label>
        <ical:summary>Research V: Ontology Alignment</ical:summary>
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    <SessionEvent rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/session/rsVI-semantic-web-architectures">
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/163"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/180"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/234"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/5"/>
        <rdfs:label>Research VI: Semantic Web Architectures</rdfs:label>
        <ical:summary>Research VI: Semantic Web Architectures</ical:summary>
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    <SessionEvent rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/session/rsVII-reasoning">
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        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/15"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/27"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/33"/>
        <rdfs:label>Research VII: Reasoning I</rdfs:label>
        <ical:summary>Research VII: Reasoning I</ical:summary>
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    <SessionEvent rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/session/rsVIII-ontology-engineering">
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/106"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/192"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/96"/>
        <rdfs:label>Research VIII: Ontology Engineering</rdfs:label>
        <ical:summary>Research VIII: Ontology Engineering</ical:summary>
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    <SessionEvent rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/session/rsX-tagging-and-annotation-I">
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/142"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/181"/>
        <rdfs:label>Research X: Tagging and Annotation I</rdfs:label>
        <ical:summary>Research X: Tagging and Annotation I</ical:summary>
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    <SessionEvent rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/session/rsXI-semantic-web-services-II">
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/203"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/205"/>
        <rdfs:label>Research XI: Semantic Web Services II</rdfs:label>
        <ical:summary>Research XI: Semantic Web Services II</ical:summary>
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    <SessionEvent rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/session/rsXII-search-and-identities">
        <isSubEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/104"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/110"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/162"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/198"/>
        <rdfs:label>Research XII: Search and Identities</rdfs:label>
        <ical:summary>Research XII: Search and Identities</ical:summary>
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    <SessionEvent rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/session/rsXIII-reasoning-II">
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        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/151"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/159"/>
        <isSuperEventOf rdf:resource="http://data.semanticweb.org/conference/eswc/2009/track/research/talk/44"/>
        <rdfs:label>Research XIII: Reasoning II</rdfs:label>
        <ical:summary>Research XIII: Reasoning II</ical:summary>
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    <SessionEvent rdf:about="http://data.semanticweb.org/conference/eswc/2009/track/session/rsXIV-tagging-and-annotation-II">
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        <rdfs:label>Research XIV: Tagging and Annotation II</rdfs:label>
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            <ical:date>2009-05-31T14:30:00</ical:date>
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        <rdfs:label>Tutorial 6: Evaluation of Semantic Web Technologies</rdfs:label>
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    <TutorialEvent rdf:about="http://data.semanticweb.org/conference/eswc/2009/tutorial/web-of-data-for-e-commerce">
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        <rdfs:label>Tutorial 2: The Web of Data for E-Commerce in One Day: A Hands-on Introduction to the GoodRelations Ontology, RDFa, and Yahoo! SearchMonkey</rdfs:label>
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        </ical:dtstart>
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        <foaf:name>Birkbeck, University of London</foaf:name>
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        <foaf:name>University of Vienna, Department of Distributed and Multimedia Systems</foaf:name>
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        <foaf:member rdf:resource="http://data.semanticweb.org/person/mario-longo"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/sergio-greco"/>
        <foaf:name>DEIS, University of Calabria</foaf:name>
        <foaf:name>University of Calabria</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/deri-nui-galway">
        <rdfs:label>DERI - National University of Ireland, Galway</rdfs:label>
        <rdfs:label>DERI NUIG</rdfs:label>
        <rdfs:label>DERI, National University Of Ireland, Galway</rdfs:label>
        <rdfs:label>Digital Enterprise Research Institute (DERI), Galway</rdfs:label>
        <rdfs:label>Digital Enterprise Research Institute (DERI), National University of Ireland, Galway</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/brian-davis"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/manfred-hauswirth"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/michael-hausenblas"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/paul-buitelaar"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/siegfried-handschuh"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/simon-scerri"/>
        <foaf:name>DERI - National University of Ireland, Galway</foaf:name>
        <foaf:name>DERI NUIG</foaf:name>
        <foaf:name>DERI, National University Of Ireland, Galway</foaf:name>
        <foaf:name>Digital Enterprise Research Institute (DERI), Galway</foaf:name>
        <foaf:name>Digital Enterprise Research Institute (DERI), National University of Ireland, Galway</foaf:name>
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    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/deri-universitaet-innsbruck">
        <rdfs:label>STI Innsbruck</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/alexander-wahler"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/elena-paslaru-bontas-simperl"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/igor-popov"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/tobias-buerger"/>
        <foaf:name>STI Innsbruck</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/dfki-gmbh">
        <rdfs:label>DFKI GmbH</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/michael-sintek"/>
        <foaf:name>DFKI GmbH</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/university-of-trento-italy">
        <rdfs:label>DIT, University of Trento</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/fausto-giunchiglia"/>
        <foaf:name>DIT, University of Trento</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/docomo-euro-labs">
        <rdfs:label>DoCoMo Euro-Lab, Munich</rdfs:label>
        <rdfs:label>DoCoMo Euro-Labs</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/marko-luther"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/sebastian-boehm"/>
        <foaf:name>DoCoMo Euro-Lab, Munich</foaf:name>
        <foaf:name>DoCoMo Euro-Labs</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/ecole-polytechnique-federale-de-lausanne-epfl">
        <rdfs:label>Ecole Polytechnique Fédérale de Lausanne</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/sebastian-michel"/>
        <foaf:name>Ecole Polytechnique Fédérale de Lausanne</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/epfl">
        <rdfs:label>EPFL</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/adriana-budura"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/karl-aberer"/>
        <foaf:name>EPFL</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/fbk-irst">
        <rdfs:label>FBK-IRST</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/chiara-ghidini"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/paolo-traverso"/>
        <foaf:name>FBK-IRST</foaf:name>
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    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/fluid-operations">
        <rdfs:label>fluid Operations</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/peter-haase"/>
        <foaf:name>fluid Operations</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/german-research-center-for-artificial-intelligence-dfki">
        <rdfs:label>DFKI</rdfs:label>
        <rdfs:label>DFKI (Deutsches Forschungszentrum fuer Kuenstliche Intelligenz GmbH), Stuhlsatzenhausweg 3, Geb. D3.2, 66123 Saarbrücken (Germany)</rdfs:label>
        <rdfs:label>German Research Center for Artificial Intelligence (DFKI)</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/ingo-zinnikus"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/manuel-moeller"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/matthias-klusch"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/patrick-kapahnke"/>
        <foaf:name>DFKI</foaf:name>
        <foaf:name>DFKI (Deutsches Forschungszentrum fuer Kuenstliche Intelligenz GmbH), Stuhlsatzenhausweg 3, Geb. D3.2, 66123 Saarbrücken (Germany)</foaf:name>
        <foaf:name>German Research Center for Artificial Intelligence (DFKI)</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/helsinki-university-of-technology-tkk-finland">
        <rdfs:label>Helsinki University of Technology</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/eero-hyvoenen"/>
        <foaf:name>Helsinki University of Technology</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/humboldt-universitaet-zu-berlin">
        <rdfs:label>Humboldt-Universität zu Berlin</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/olaf-hartig"/>
        <foaf:name>Humboldt-Universität zu Berlin</foaf:name>
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    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/inria-rhone-alpes">
        <rdfs:label>INRIA</rdfs:label>
        <rdfs:label>INRIA Rhone-Alpes</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/chan-le-duc"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/jerome-euzenat"/>
        <foaf:name>INRIA</foaf:name>
        <foaf:name>INRIA Rhone-Alpes</foaf:name>
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    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/institut-aifb-universitaet-karlsruhe">
        <rdfs:label>AIFB</rdfs:label>
        <rdfs:label>AIFB, University Karlsruhe</rdfs:label>
        <rdfs:label>AIFB, Universität Karlsruhe (TH)</rdfs:label>
        <rdfs:label>Institute AIFB, University of Karlsruhe</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/denny-vrandecic"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/pascal-hitzler"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/philipp-cimiano"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/sebastian-rudolph"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/thanh-tran"/>
        <foaf:name>AIFB</foaf:name>
        <foaf:name>AIFB, University Karlsruhe</foaf:name>
        <foaf:name>AIFB, Universität Karlsruhe (TH)</foaf:name>
        <foaf:name>Institute AIFB, University of Karlsruhe</foaf:name>
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    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/irit-universite-toulouse-le-mirail">
        <rdfs:label>IRIT, Univ. Toulouse le Mirail</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/ollivier-haemmerle"/>
        <foaf:name>IRIT, Univ. Toulouse le Mirail</foaf:name>
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    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/katholieke-universiteit-leuven">
        <rdfs:label>K.U. Leuven</rdfs:label>
        <rdfs:label>K.U.Leuven</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/joost-vennekens"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/marc-denecker"/>
        <foaf:name>K.U. Leuven</foaf:name>
        <foaf:name>K.U.Leuven</foaf:name>
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    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/kmi-the-open-university-uk">
        <rdfs:label>KMI, Open University</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/marta-sabou"/>
        <foaf:name>KMI, Open University</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/l3s-research-center">
        <rdfs:label>L3S Research Center</rdfs:label>
        <rdfs:label>L3S Research Center - Leibniz University of Hanover</rdfs:label>
        <rdfs:label>L3S Research Center - Leibniz Universität Hannover</rdfs:label>
        <rdfs:label>L3S and University of Hannover</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/enrico-minack"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/gianluca-demartini"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/jakub-zakrzewski"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/julien-gaugaz"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/wolf-siberski"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/wolfgang-nejdl"/>
        <foaf:name>L3S Research Center</foaf:name>
        <foaf:name>L3S Research Center - Leibniz University of Hanover</foaf:name>
        <foaf:name>L3S Research Center - Leibniz Universität Hannover</foaf:name>
        <foaf:name>L3S and University of Hannover</foaf:name>
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    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/linkoepings-universitet">
        <rdfs:label>Linköping University</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/patrick-lambrix"/>
        <foaf:name>Linköping University</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/linkoping-university">
        <rdfs:label>Linkoping University</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/qiang-liu"/>
        <foaf:name>Linkoping University</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/mit-csail">
        <rdfs:label>MIT</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/philippe-cudre-mauroux"/>
        <foaf:name>MIT</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/osaka-university-japan">
        <rdfs:label>Osaka University</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/riichiro-mizoguchi"/>
        <foaf:name>Osaka University</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/peking-university">
        <rdfs:label>School of Mathematical Sciences, Peking University,China</rdfs:label>
        <rdfs:label>School of Mathematical Sciences, Peking University; School of mathematical Sciences, Anhui University, China</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/guohui-xiao"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/xiaowang-zhang"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/zuoquan-lin"/>
        <foaf:name>School of Mathematical Sciences, Peking University,China</foaf:name>
        <foaf:name>School of Mathematical Sciences, Peking University; School of mathematical Sciences, Anhui University, China</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/seerc-south-east-european-research-centre">
        <rdfs:label>SEERC - South East European Research Centre</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/dimitrios-kourtesis"/>
        <foaf:name>SEERC - South East European Research Centre</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/south-east-european-research-center">
        <rdfs:label>South East European Research Center (SEERC)</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/ervin-ramollari"/>
        <foaf:name>South East European Research Center (SEERC)</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/stanford-university">
        <rdfs:label>Stanford University</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/mark-musen"/>
        <foaf:name>Stanford University</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/talis-information-limited">
        <rdfs:label>Talis</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/tom-heath"/>
        <foaf:name>Talis</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/technical-university-vienna">
        <rdfs:label>Knowledge-Based Systems Group (TU Vienna)</rdfs:label>
        <rdfs:label>TU Vienna</rdfs:label>
        <rdfs:label>Technical University Vienna</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/cristina-feier"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/eva-kuehn"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/stijn-heymans"/>
        <foaf:name>Knowledge-Based Systems Group (TU Vienna)</foaf:name>
        <foaf:name>TU Vienna</foaf:name>
        <foaf:name>Technical University Vienna</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/telefonica-research-and-development">
        <rdfs:label>Telefónica Research and Development</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/henar-munoz"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/luis-miguel-vaquero-gonzalez"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/luis-rodero-merino"/>
        <foaf:name>Telefónica Research and Development</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/the-university-of-manchester">
        <rdfs:label>School of Computer Science, University of Manchester</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/goran-nenadic"/>
        <foaf:name>School of Computer Science, University of Manchester</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/trinity-college-dublin">
        <rdfs:label>Trinity College Dublin</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/colm-conroy"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/david-lewis"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/declan-osullivan"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/rob-brennan"/>
        <foaf:name>Trinity College Dublin</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/tu-delft">
        <rdfs:label>TU Delft</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/philipp-cimiano"/>
        <foaf:name>TU Delft</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/ulm-university">
        <rdfs:label>Ulm University</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/olaf-noppens"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/thorsten-liebig"/>
        <foaf:name>Ulm University</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/unitn">
        <rdfs:label>UNITN</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/ilya-zaihrayeu"/>
        <foaf:name>UNITN</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/universidad-de-chile">
        <rdfs:label>Departamento de Ciencias de la Computación - Universidad de Chile</rdfs:label>
        <rdfs:label>Universidad de Chile</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/carlos-hurtado"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/claudio-gutierrez"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/mauro-san-martin"/>
        <foaf:name>Departamento de Ciencias de la Computación - Universidad de Chile</foaf:name>
        <foaf:name>Universidad de Chile</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/universitaet-karlsruhe">
        <rdfs:label>University of Karlsruhe</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/daniel-herzig"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/uta-loesch"/>
        <foaf:name>University of Karlsruhe</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/universitat-jaume-i">
        <rdfs:label>Universitat Jaume I</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/ernesto-jimenez-ruiz"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/rafael-berlanga"/>
        <foaf:name>Universitat Jaume I</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/university-of-aberdeen">
        <rdfs:label>University of Aberdeen</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/edward-thomas"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/jeff-z-pan"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/stuart-taylor"/>
        <foaf:name>University of Aberdeen</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/university-of-bari">
        <rdfs:label>Computer Science Department - University of Bari</rdfs:label>
        <rdfs:label>Dipartimento di Informatica, Università di Bari</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/claudia-damato"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/floriana-esposito"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/nicola-fanizzi"/>
        <foaf:name>Computer Science Department - University of Bari</foaf:name>
        <foaf:name>Dipartimento di Informatica, Università di Bari</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/university-of-edinburgh">
        <rdfs:label>University of Edinburgh</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/harry-halpin"/>
        <foaf:name>University of Edinburgh</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/university-of-glasgow">
        <rdfs:label>University of Glasgow</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/iadh-ounis"/>
        <foaf:name>University of Glasgow</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/university-of-lausanne">
        <rdfs:label>University of Lausanne</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/davide-picca"/>
        <foaf:name>University of Lausanne</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/university-of-leicester">
        <rdfs:label>University of Leicester</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/monika-solanki"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/norman-gray"/>
        <foaf:name>University of Leicester</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/university-of-manchester">
        <rdfs:label>University of Manchester</rdfs:label>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/alan-rector"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/alasdair-j-g-gray"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/hammad-afzal"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/ioannis-kotsiopoulos"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/luigi-iannone"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/robert-stevens"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/sean-bechhofer"/>
        <foaf:member rdf:resource="http://data.semanticweb.org/person/simon-jupp"/>
        <foaf:name>University of Manchester</foaf:name>
    </foaf:Organization>

    <foaf:Organization rdf:about="http://data.semanticweb.org/organization/university-of-mannheim">
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