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|Title=Revisiting Semantics for Epistemic Extensions of Description Logics | |Title=Revisiting Semantics for Epistemic Extensions of Description Logics | ||
|Year=2011 | |Year=2011 | ||
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|Booktitle=Proceedings of the 25th Conference on Artificial Intelligence | |Booktitle=Proceedings of the 25th Conference on Artificial Intelligence | ||
|Publisher=AAAI 2011 | |Publisher=AAAI 2011 | ||
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{{Publikation Details | {{Publikation Details | ||
+ | |Abstract=Epistemic extensions of description logics (DLs) have been introduced several years ago in order to enhance expressivity and querying capabilities of these logics by knowledge base introspection. We argue that unintended effects occur when imposing the semantics traditionally employed on the very expressive DLs that underly the OWL 1 and OWL 2 standards. Consequently, we suggest a revised semantics that behaves more intuitively in these cases and coincides with the traditional semantics on less expressive DLs. Moreover, we introduce a way of answering epistemic queries to OWL knowledge bases by a reduction to standard OWL reasoning. We provide an implementation of our approach and present first evaluation results. | ||
+ | |Download=AAAI11-revisting semantics.pdf, | ||
|Projekt=ExpresST | |Projekt=ExpresST | ||
|Forschungsgruppe=Wissensmanagement | |Forschungsgruppe=Wissensmanagement | ||
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Aktuelle Version vom 18. Juli 2011, 11:07 Uhr
Revisiting Semantics for Epistemic Extensions of Description Logics
Revisiting Semantics for Epistemic Extensions of Description Logics
Published: 2011
August
Buchtitel: Proceedings of the 25th Conference on Artificial Intelligence
Verlag: AAAI 2011
Nicht-referierte Veröffentlichung
BibTeX
Kurzfassung
Epistemic extensions of description logics (DLs) have been introduced several years ago in order to enhance expressivity and querying capabilities of these logics by knowledge base introspection. We argue that unintended effects occur when imposing the semantics traditionally employed on the very expressive DLs that underly the OWL 1 and OWL 2 standards. Consequently, we suggest a revised semantics that behaves more intuitively in these cases and coincides with the traditional semantics on less expressive DLs. Moreover, we introduce a way of answering epistemic queries to OWL knowledge bases by a reduction to standard OWL reasoning. We provide an implementation of our approach and present first evaluation results.
Download: Media:AAAI11-revisting semantics.pdf