6004 search results - page 583 / 1201 » Parallelizing query optimization |
166
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FOCS
2002
IEEE
15 years 11 months ago
2002
IEEE
We consider the problem of testing functions for the property of being a k-junta (i.e., of depending on at most k variables). Fischer, Kindler, Ron, Safra, and Samorodnitsky (J. Co...
144
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ICLP
2010
Springer
15 years 10 months ago
2010
Springer
Abstract. Bottom-up evaluation is a central part of query evaluation / program execution in deductive databases. It is used after a source code optimization like magic sets or SLDm...
178
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EDBT
2006
ACM
15 years 10 months ago
2006
ACM
As data management applications grow more complex, they may need efficient distributed query processing, but also subscription management, data archival etc. To enact such applicat...
188
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GIS
1995
ACM
15 years 10 months ago
1995
ACM
An algorithm is presented to answer window queries in a quadtree-based spatial database environment by retrieving the covering blocks in the underlying spatial database. It works ...
176
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DASFAA
2007
IEEE
15 years 8 months ago
2007
IEEE
As data of an unprecedented scale are becoming accessible, skyline queries have been actively studied lately, to retrieve “interesting” data objects that are not dominated by a...