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» A Possibilistic Extension of Description Logics
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AI
2008
Springer
13 years 8 months ago
Expressive probabilistic description logics
The work in this paper is directed towards sophisticated formalisms for reasoning under probabilistic uncertainty in ontologies in the Semantic Web. Ontologies play a central role...
Thomas Lukasiewicz
CADE
2008
Springer
13 years 9 months ago
LogAnswer - A Deduction-Based Question Answering System (System Description)
LogAnswer is an open domain question answering system which employs an automated theorem prover to infer correct replies to natural language questions. For this purpose LogAnswer o...
Ulrich Furbach, Ingo Glöckner, Hermann Helbig...
TABLEAUX
2000
Springer
13 years 11 months ago
MSPASS: Modal Reasoning by Translation and First-Order Resolution
mspass is an extension of the first-order theorem prover spass, which can be used as a modal logic theorem prover, a theorem prover for description logics and a theorem prover for ...
Ullrich Hustadt, Renate A. Schmidt
JAPLL
2010
179views more  JAPLL 2010»
13 years 6 months ago
Tractable query answering and rewriting under description logic constraints
Answering queries over an incomplete database w.r.t. a set of constraints is an important computational task with applications in fields as diverse as information integration and ...
Héctor Pérez-Urbina, Boris Motik, Ia...
IJCAI
1997
13 years 9 months ago
Reifying Concepts in Description Logics
Practical applications of description logics (DLs) in knowledge-based systems have forced us to introduce the following features which are absent from existing DLs: • allowing a...
Liviu Badea