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    DLOG
    2011
    226views Automated Reasoning» more  DLOG 2011»
    Integrity Constraints for Linked Data
    12 years 8 months ago
    Integrity Constraints for Linked Data
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    Linked Data makes one central addition to the Semantic Web principles: all entity URIs should be dereferenceable to provide an authoritative RDF representation. URIs in a linked da...
    Alan Jeffrey, Peter F. Patel-Schneider
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    DLOG
    2011
    227views Automated Reasoning» more  DLOG 2011»
    Analysing Multiple Versions of an Ontology: A Study of the NCI Thesaurus
    12 years 8 months ago
    Analysing Multiple Versions of an Ontology: A Study of the NCI Thesaurus
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    The detection of changes between OWL ontologies is an important service for ontology engineering. There are several approaches to this problem, both syntactic and semantic. A purel...
    Rafael S. Gonçalves, Bijan Parsia, Ulrike S...
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    DLOG
    2011
    209views Automated Reasoning» more  DLOG 2011»
    Practical Epistemic Entailment Checking in SROIQ
    12 years 8 months ago
    Practical Epistemic Entailment Checking in SROIQ
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    In this paper, we present a reasoner capable of epistemic inferences in SROIQ knowledge bases. We first identify some counter intuitive effects of imposing the traditional semant...
    Anees Mehdi, Sebastian Rudolph
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    DLOG
    2011
    403views Automated Reasoning» more  DLOG 2011»
    Quelo: an Ontology-Driven Query Interface
    12 years 8 months ago
    Quelo: an Ontology-Driven Query Interface
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    In this paper we present a formal framework and tool supporting the user in the task of formulating a precise query – which best captures their information needs – even in the ...
    Enrico Franconi, Paolo Guagliardo, Marco Trevisan,...
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    DLOG
    2011
    349views Automated Reasoning» more  DLOG 2011»
    A Technique for Handling the Right Hand Side of Complex RIAs
    12 years 8 months ago
    A Technique for Handling the Right Hand Side of Complex RIAs
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    This paper examines a new technique based on tableau, that allows one to introduce composition of roles from the right hand side of complex role inclusion axioms (RIAs). Our motiva...
    Milenko Mosurovic, Nenad Krdzavac
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    DLOG
    2011
    254views Automated Reasoning» more  DLOG 2011»
    The Complexity of Probabilistic EL
    12 years 8 months ago
    The Complexity of Probabilistic EL
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    We analyze the complexity of subsumption in probabilistic variants of the description logic EL. In the case where probabilities apply only to concepts, we map out the borderline be...
    Jean Christoph Jung, Víctor Gutiérre...
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    DLOG
    2011
    208views Automated Reasoning» more  DLOG 2011»
    On Prototypes for Winslett's Semantics of DL-Lite ABox Evolution
    12 years 8 months ago
    On Prototypes for Winslett's Semantics of DL-Lite ABox Evolution
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    Evolution of Knowledge Bases expressed in Description Logics (DLs) proved its importance. Most studies on evolution in DLs have focused on modelbased approaches to evolution semant...
    Evgeny Kharlamov, Dmitriy Zheleznyakov
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    DLOG
    2011
    256views Automated Reasoning» more  DLOG 2011»
    On (In)Tractability of OBDA with OWL 2 QL
    12 years 8 months ago
    On (In)Tractability of OBDA with OWL 2 QL
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    We show that, although conjunctive queries over OWL 2 QL ontologies are reducible to database queries, no algorithm can construct such a reduction in polynomial time without changi...
    Stanislav Kikot, Roman Kontchakov, Michael Zakhary...
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    DLOG
    2011
    231views Automated Reasoning» more  DLOG 2011»
    Implementing Completion-Based Inferences for the EL-family
    12 years 8 months ago
    Implementing Completion-Based Inferences for the EL-family
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    Completion algorithms for subsumption are investigated for many extensions of the description logic EL. While for several of them subsumption is tractable, this is no longer the ca...
    Julian Mendez, Andreas Ecke, Anni-Yasmin Turhan
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    DLOG
    2011
    255views Automated Reasoning» more  DLOG 2011»
    Concept Model Semantics for DL Preferential Reasoning
    12 years 8 months ago
    Concept Model Semantics for DL Preferential Reasoning
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    Abstract. The preferential and rational consequence relations first studied by Lehmann and colleagues play a central role in non-monotonic reasoning, not least because they provid...
    Arina Britz, Thomas Meyer, Ivan José Varzin...
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