9145 search results - page 325 / 1829 » Description Logic Systems |
172
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SIGIR
1999
ACM
15 years 11 months ago
1999
ACM
This paper claims that Belief Revision can be seen as a theoretical framework for document ranking in Extended Boolean Models. For a model of Information Retrieval based on propos...
187
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DOOD
1993
Springer
15 years 10 months ago
1993
Springer
In this paper we introduce a logical query language extended with object-oriented typing facilities. This language, called DTL (from DataTypeLog), can be seen as an extension of Da...
158
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DLOG
2007
15 years 9 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...
149
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DLOG
2008
15 years 9 months ago
2008
Abstract. We show that subsumption problems in EL and related description logics can be expressed as uniform word problems in classes of semilattices with monotone operators. We us...
185
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FOIS
2006
15 years 8 months ago
2006
A critical problem for practical KR is dealing with relationships that change over time. This problem is compounded by representation languages such as OWL that are biased towards ...