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- 253 creator antoine-isaac.
- 253 creator lourens-van-der-meij.
- 253 creator shenghui-wang.
- 253 creator stefan-schlobach.
- 253 type InProceedings.
- 253 label "An empirical study of instance-based ontology matching".
- 253 sameAs 253.
- 253 abstract "Instance-based ontology mapping is a promising family of solutions to a class of ontology alignment problems. Instance-based ontology mapping crucially depends on measuring the similarity between sets of annotated instances. In this paper we study how the choice of co-occurrence measures affects the performance of instance-based mapping. To this end, we have implemented a number of different statistical co-occurrence measures. We have prepared an extensive test case using vocabularies of thousands of terms, millions of instances, and hundreds of thousands of co-annotated items, and we have obtained a human Gold Standard judgement for part of the mapping-space. We then study how the different co-occurrence measures and a number of algorithmic variations perform on our benchmark dataset, as compared against the GoldStandard. Our systematic study shows excellent results of instance-based matching in general, where the more simple measures often outperform more sophisticated statistical co-occurrence measures.".
- 253 hasAuthorList authorList.
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- 253 title "An empirical study of instance-based ontology matching".
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- item-1 hasContent antoine-isaac.
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- item-2 hasContent lourens-van-der-meij.
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- item-4 hasContent shenghui-wang.
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- 267 creator aditya-kalyanpur.
- 267 creator bijan-parsia.
- 267 creator evren-sirin.
- 267 creator matthew-horridge.
- 267 type InProceedings.
- 267 label "Finding all Justifications of OWL DL Entailments".
- 267 sameAs 267.
- 267 abstract "Finding the justifications of an entailment (that is, all the minimal set of axioms sufficient to produce an entailment) has emerged as a key inference service for the Web Ontology Language (OWL). Justifications are essential for debugging unsatisfiable classes and contradictions. The availability of justifications as explanations of entailments improves the understandability of large and complex ontologies. In this paper, we present several algorithms for computing all the justifications of an entailment in an OWL-DL Ontology and show, by an empirical evaluation, that even a reasoner independent approach works well on real ontologies.".
- 267 hasAuthorList authorList.
- 267 hasTopic Human-computer_interaction.
- 267 hasTopic Semantic_Web.
- 267 hasTopic Software_agent.
- 267 hasTopic Web_service.
- 267 isPartOf proceedings.
- 267 title "Finding all Justifications of OWL DL Entailments".
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- item-1 hasContent aditya-kalyanpur.
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- item-2 hasContent bijan-parsia.
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- item-4 hasContent evren-sirin.
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- 281 creator abraham-bernstein.
- 281 creator esther-kaufmann.
- 281 type InProceedings.
- 281 label "How Useful are Natural Language Interfaces to the Semantic Web for Casual End-users?".
- 281 sameAs 281.
- 281 abstract "Natural language interfaces offer end-users a familiar and convenient option for querying ontology-based knowledge bases. Several studies have shown that they can achieve high retrieval performance as well as domain independence. This paper focuses on usability and investigates if NLIs are useful from an end-user's point of view. To that end, we introduce four interfaces each allowing a different query language and present a usability study benchmarking these interfaces. The results of the study reveal a clear preference for full sentences as query language and confirm that NLIs are useful for querying Semantic Web data.".
- 281 hasAuthorList authorList.
- 281 hasTopic Evaluation.
- 281 hasTopic Human-computer_interaction.
- 281 hasTopic Information_extraction.
- 281 hasTopic Natural_language_processing.
- 281 hasTopic Semantic_Web.
- 281 isPartOf proceedings.
- 281 title "How Useful are Natural Language Interfaces to the Semantic Web for Casual End-users?".
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- item-1 hasContent esther-kaufmann.
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- item-2 hasContent abraham-bernstein.
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- 29 creator lynda-hardman.