1391 search results - page 16 / 279 » Knowledge Retrieval (KR) |
135
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KR
2010
Springer
15 years 9 months ago
2010
Springer
Levesque introduced the notion of only-knowing to precisely capture the beliefs of a knowledge base. He also showed how only-knowing can be used to formalize non-monotonic behavio...
129
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KR
1994
Springer
15 years 8 months ago
1994
Springer
We focus in this paper on some meta-level ontological distinctions among unary predicates, like those between concepts and assertional properties. Three are the main contributions...
150
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KR
1992
Springer
15 years 8 months ago
1992
Springer
While the task of answering queries from an arbitrary propositional theory is intractable in general, it can typicallybe performed e ciently if the theory is Horn. This suggests t...
122
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DLOG
2007
15 years 6 months ago
2007
In this paper we deal with the problem of providing natural language front-ends to databases upon which an ontology layer has been added. Specifically, we are interested in expres...
189
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AAAI
2011
14 years 4 months ago
2011
Effective access to knowledge within large declarative memory stores is one challenge in the development and understanding of long-living, generally intelligent agents. We focus o...