2181 search results - page 293 / 437 » Ontologies and Description Logics |
168
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AMAST
2000
Springer
15 years 10 months ago
2000
Springer
The behavior of reactive systems is typically speci ed by state machines. This results in an operational description of how a system its output. An alternative and more abstract ap...
164
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SIGIR
1999
ACM
15 years 10 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...
170
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ASIAN
1998
Springer
15 years 10 months ago
1998
Springer
In recent years, several semantics for place/transition Petri nets have been proposed that adopt the collective token philosophy. We investigate distinctions and similarities betwe...
177
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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...
153
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DLOG
2007
15 years 8 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...