1018 search results - page 56 / 204 » On the minimization of XPath queries |
ICDIM
2007
IEEE
15 years 7 months ago
2007
IEEE
: Integrated access to distributed data is an important problem faced in scientific and commercial applications. A data integration system provides a unified view for users to subm...
LICS
2009
IEEE
15 years 8 months ago
2009
IEEE
We study the complexity of the propositional minimal inference problem. Its complexity has been extensively studied before because of its fundamental importance in artificial int...
119
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DKE
2007
15 years 1 months ago
2007
Histogram techniques have been used in many commercial database management systems to estimate a query result size. Recently, it has been shown that they are very effective to su...
116
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IPM
2006
15 years 1 months ago
2006
This paper presents a probabilistic information retrieval framework in which the retrieval problem is formally treated as a statistical decision problem. In this framework, querie...
107
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IJCGA
2000
15 years 1 months ago
2000
We present e cient algorithms for several instances of the following facility location problem. Facilities and demand sites are represented as points in the plane. Place k obnoxio...