262 search results - page 30 / 53 » Reasoning and Explanation in EL and in Expressive Descriptio... |
111
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CAISE
2004
Springer
15 years 7 months ago
2004
Springer
tween documents. They should allow for an abstract representation of data which resembles the way they are actually perceived and used in the real world, thus shortening (with resp...
134
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DLOG
2008
15 years 4 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...
114
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JUCS
2007
15 years 1 months ago
2007
Abstract: Knowledge management is characterized by many different activities ranging from the elicitation of knowledge to its storing, sharing, maintenance, usage and creation. Sk...
115
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DEXAW
1999
IEEE
15 years 6 months ago
1999
IEEE
Recent efforts in the Conceptual Modelling community have been devoted to properly capturing time-varying information, and several proposals of temporally enhanced Entity-Relation...
105
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DLOG
2003
15 years 3 months ago
2003
We present lower bounds on the computational complexity of satisfiability and subsumption in several description logics. We interpret these lower bounds as coming from different...