2223 search results - page 109 / 445 » Query Optimization in an OODBMS |
196
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ICDT
2009
ACM
16 years 17 days ago
2009
ACM
The class of unions of conjunctive queries (UCQ) has been shown to be particularly well-behaved for data exchange; its certain answers can be computed in polynomial time (in terms...
180
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ICDE
2003
IEEE
16 years 1 months ago
2003
IEEE
Semantic caches, originally proposed for client-server database systems, are being recently deployed to accelerate the serving of dynamic web content by transparently caching data...
ICCV
2009
IEEE
14 years 9 months ago
2009
IEEE
We propose a subspace learning algorithm for face recognition by directly optimizing recognition performance scores. Our approach is motivated by the following observations: 1) Di...
116
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IWMMDBMS
1998
15 years 1 months ago
1998
: In recent years the fusion of multimedia information from multiple real-time sources and databases has become increasingly important because of its practical significance in many...
163
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SIGMOD
2007
ACM
16 years 18 hour ago
2007
ACM
Good cardinality estimates are critical for generating good execution plans during query optimization. Complex predicates, correlations between columns, and user-defined functions...