74 search results - page 6 / 15 » Ontology-Mediated Query Answering with Data-Tractable Descri... |
DLOG
2007
14 years 12 months ago
2007
An important reasoning task, in addition to the standard DL reasoning services, is conjunctive query answering. In this paper, we present a decision procedure for conjunctive query...
DLOG
2008
14 years 12 months ago
2008
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...
GPC
2010
Springer
15 years 4 months ago
2010
Springer
Scalability of reasoning systems is one of the main criteria which will determine the success of Semantic Web systems in the future. The focus of recent work is either on (a) expre...
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DLOG
2009
14 years 7 months ago
2009
Abstract. Model-based most specific concepts are a non-standard reasoning service in Description Logics. They have turned out to be useful in knowledge base completion for ontologi...
100
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JELIA
2010
Springer
14 years 8 months ago
2010
Springer
Abstract. Nonmonotonic causal logic became a basis for the semantics of several expressive action languages. Norman McCain and Paolo Ferraris showed how to embed propositional caus...