2228 search results - page 189 / 446 » A System for Semantic Query Optimization |
138
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ISCI
2007
15 years 3 months ago
2007
In an object-relational database management system, a query optimizer requires users to provide cost models of userdefined functions. The traditional approach is analytical, that...
128
Voted
SIGMOD
2011
ACM
14 years 6 months ago
2011
ACM
We are witnessing an exciting revival of interest in recursive Datalog queries in a variety of emerging application domains such as data integration, information extraction, netwo...
110
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IRI
2008
IEEE
15 years 9 months ago
2008
IEEE
Linking components with end-user requests for processing is problematic when there are fundamental language differences between component specifications and how individual users s...
118
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IADIS
2004
15 years 4 months ago
2004
The first image retrieval systems hold the advantage of being fully automatic, and thus scalable to large collections of images but are restricted to the representation of low-lev...
141
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MDM
2004
Springer
15 years 8 months ago
2004
Springer
This paper discusses the problem of content adaptation for mobile devices. The adaptation considers the context of the client and also the environment where the client request is ...