2724 search results - page 343 / 545 » Optimizing Queries on Files |
128
Voted
FOCS
2002
IEEE
15 years 9 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...
133
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DEXAW
1999
IEEE
15 years 8 months ago
1999
IEEE
This paper describes an algebra for use with parallel object databases, and in particular ODMG compliant databases with OQL. Although there have been many proposals for parallel r...
107
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ICLP
2010
Springer
15 years 7 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...
140
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EDBT
2006
ACM
15 years 7 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...
149
Voted
GIS
1995
ACM
15 years 7 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 ...