157 search results - page 11 / 32 » A Conjunctive Query Language for Description Logic Aboxes |
139
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DLOG
2003
15 years 5 months ago
2003
This paper presents an application of a DL reasoner to the optimization of an object-relational query language. Queries containing aggregate functions are difficult to optimize be...
127
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SEMWEB
2007
Springer
15 years 10 months ago
2007
Springer
Abstract. An important open question in the semantic Web is the precise relationship between the RDF(S) semantics and the semantics of standard knowledge representation formalisms ...
148
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DLOG
2007
15 years 6 months ago
2007
Abstract. There has been an increased interest in recent years to incorporate uncertainty in Description Logics (DLs), and a number of proposals have been put forward for modeling ...
143
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DLOG
2007
15 years 6 months ago
2007
Abstract. Fuzzy Description Logics (f-DLs) have been proposed as formalisms capable of capturing and reasoning about imprecise and vague knowledge. The last years, research in Desc...
129
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KR
2004
Springer
15 years 9 months ago
2004
Springer
Practical description logic systems play an ever-growing role for knowledge representation and reasoning research even in distributed environments. In particular, the often-discus...