31 search results - page 4 / 7 » Conservative Extensions in the Lightweight Description Logic... |
83
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DLOG
2007
14 years 11 months ago
2007
We develop a formal framework for modular ontologies by analysing four notions of conservative extensions and their applications in refining, re-using, merging, and segmenting ont...
WWW
2011
ACM
14 years 4 months ago
2011
ACM
We propose a description-logic style extension of OWL 2 with nominal schemas which can be used like“variable nominal classes”within axioms. This feature allows ontology langua...
94
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DLOG
2009
14 years 7 months ago
2009
Context-sensitivity has been for long a subject of study in linguistics, logic and computer science. Recently the problem of representing and reasoning with contextual knowledge ha...
106
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KR
2010
Springer
15 years 2 months ago
2010
Springer
We propose a new family of probabilistic description logics (DLs) that, in contrast to most existing approaches, are derived in a principled way from Halpern’s probabilistic fi...
104
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JAPLL
2010
14 years 8 months ago
2010
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 ...