3969 search results - page 519 / 794 » Query Processing Using Ontologies |
176
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BTW
2005
Springer
16 years 1 days ago
2005
Springer
: User-defined data types such as intervals require specialized access methods to be efficiently searched and queried. As database implementors cannot provide appropriate index str...
182
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ICDT
2005
ACM
16 years 6 hour ago
2005
ACM
Abstract. A classical problem in query optimization is to find the optimal ordering of a set of possibly correlated selections. We provide an ion of this problem as a generalizati...
143
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INEX
2004
Springer
15 years 12 months ago
2004
Springer
This paper describes the retrieval approach proposed by the SIG/EVI group of the IRIT research centre in INEX’2004 evaluation. The approach uses a voting method coupled with some...
156
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VLDB
1991
ACM
15 years 10 months ago
1991
ACM
This paper describes the implementation of a set-oriented database production rule language proposed in earlier papers. Our implementation uses the extensibility features of the St...
196
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DKE
2007
15 years 6 months ago
2007
Current studies on the storage of XML data are focused on either the efficient mapping of XML data onto an existing RDBMS or the development of a native XML storage. Some native X...