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AAAI
2006
13 years 9 months ago
Characterizing Data Complexity for Conjunctive Query Answering in Expressive Description Logics
Description Logics (DLs) are the formal foundations of the standard web ontology languages OWL-DL and OWL-Lite. In the Semantic Web and other domains, ontologies are increasingly ...
Magdalena Ortiz, Diego Calvanese, Thomas Eiter
RULEML
2004
Springer
14 years 1 months ago
Defeasible Description Logics
We propose to extend description logic with defeasible rules, and to use the inferential mechanism of defeasible logic to reason with description logic constructors.
Guido Governatori
CADE
2007
Springer
14 years 8 months ago
System Description: E-KRHyper
The E-KRHyper system is a model generator and theorem prover for first-order logic with equality. It implements the new E-hyper tableau calculus, which integrates a superposition-b...
Björn Pelzer, Christoph Wernhard
WWW
2003
ACM
14 years 9 months ago
Description logic programs: combining logic programs with description logic
Benjamin N. Grosof, Ian Horrocks, Raphael Volz, St...
IAT
2009
IEEE
14 years 9 days ago
Combining Boolean Games with the Power of Ontologies for Automated Multi-attribute Negotiation in the Semantic Web
Recently, multi-attribute negotiation has been extensively studied from a game-theoretic viewpoint. Since normal and extensive form games have the drawback of requiring an explicit...
Thomas Lukasiewicz, Azzurra Ragone