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|Month=Juli
 
|Month=Juli
 
|Booktitle=Proceedings of the DL Workshop 2009, Oxford, UK
 
|Booktitle=Proceedings of the DL Workshop 2009, Oxford, UK
|Editor=Ian Horrocks, Bernardo Cuenca-Grau, Boris Motik
 
 
|Publisher=CEUR Workshop Proceedings
 
|Publisher=CEUR Workshop Proceedings
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|Editor=Bernardo Cuenca-Grau, Ian Horrocks, Boris Motik, Ulrike Sattler
 
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{{Publikation Details
 
{{Publikation Details
 
|Abstract=In this paper, we present a decidability result for entailment of conjunctive queries (CQs) in the very expressive Description Logic (DL) ALCHOIQb by establishing nite representability of countermodels in case the query given as input is not entailed. Our results also generalize to unions of conjunctive queries, and to SHOIQ and SROIQ provided the query contains only simple roles.
 
|Abstract=In this paper, we present a decidability result for entailment of conjunctive queries (CQs) in the very expressive Description Logic (DL) ALCHOIQb by establishing nite representability of countermodels in case the query given as input is not entailed. Our results also generalize to unions of conjunctive queries, and to SHOIQ and SROIQ provided the query contains only simple roles.
|VG Wort-Seiten=
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|Projekt=ReaSem
|DOI Name=
 
|Projekt=ReaSem,
 
 
|Forschungsgruppe=Wissensmanagement
 
|Forschungsgruppe=Wissensmanagement
 
}}
 
}}

Version vom 25. Oktober 2009, 13:05 Uhr


Conjunctive Query Entailment: Decidable in Spite of O, I, and Q


Conjunctive Query Entailment: Decidable in Spite of O, I, and Q



Published: 2009 Juli
Herausgeber: Bernardo Cuenca-Grau, Ian Horrocks, Boris Motik, Ulrike Sattler
Buchtitel: Proceedings of the DL Workshop 2009, Oxford, UK
Verlag: CEUR Workshop Proceedings

Referierte Veröffentlichung

BibTeX

Kurzfassung
In this paper, we present a decidability result for entailment of conjunctive queries (CQs) in the very expressive Description Logic (DL) ALCHOIQb by establishing nite representability of countermodels in case the query given as input is not entailed. Our results also generalize to unions of conjunctive queries, and to SHOIQ and SROIQ provided the query contains only simple roles.


Projekt

ReaSem



Forschungsgruppe

Wissensmanagement


Forschungsgebiet

Wissensrepräsentation, Wissensrepräsentationssprachen, Beschreibungslogik, Entscheidbarketisprobleme, Modelltheorie, Logik, Theoretische Informatik