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CADE
2002
Springer
15 years 10 months ago
Reasoning with Expressive Description Logics: Theory and Practice
Abstract. Description Logics are a family of class based knowledge representation formalisms characterised by the use of various constructors to build complex classes from simpler ...
Ian Horrocks
IJCAI
2001
14 years 11 months ago
Ontology Reasoning in the SHOQ(D) Description Logic
Ontologies are set to play a key r^ole in the "Semantic Web" by providing a source of shared and precisely defined terms that can be used in descriptions of web resource...
Ian Horrocks, Ulrike Sattler
IANDC
2008
116views more  IANDC 2008»
14 years 9 months ago
Deciding expressive description logics in the framework of resolution
We present a decision procedure for the description logic SHIQ based on the basic superposition calculus, and show that it runs in exponential time for unary coding of numbers. To...
Ullrich Hustadt, Boris Motik, Ulrike Sattler
WS
2008
ACM
14 years 9 months ago
Managing uncertainty and vagueness in description logics for the Semantic Web
Ontologies play a crucial role in the development of the Semantic Web as a means for defining shared terms in web resources. They are formulated in web ontology languages, which a...
Thomas Lukasiewicz, Umberto Straccia
DLOG
2008
14 years 12 months ago
A Survey of Revision Approaches in Description Logics
Abstract. Revision of a Description Logic-based ontology to incorporate newly received information consistently is an important problem for the lifecycle of ontologies. Many approa...
Guilin Qi, Fangkai Yang