2987 search results - page 430 / 598 » Multiobjective Query Optimization |
EDBT
2008
ACM
16 years 1 months ago
2008
ACM
Automatic physical database design tools rely on "what-if" interfaces to the query optimizer to estimate the execution time of the training query workload under differen...
95
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ECCV
2004
Springer
16 years 3 months ago
2004
Springer
We propose a method for measuring the quality of a grouping result, based on the following observation: a better grouping result provides more information about the true, unknown g...
199
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ICDE
2008
IEEE
16 years 3 months ago
2008
IEEE
We study the problem of computing query results with confidence values in ULDBs: relational databases with uncertainty and lineage. ULDBs, which subsume probabilistic databases, o...
244
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ICDE
2008
IEEE
16 years 3 months ago
2008
IEEE
Digital videos are increasingly adopted in various multimedia applications where they are usually broadcasted or transmitted as video streams. Continuously monitoring copies on the...
208
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ICDE
2008
IEEE
16 years 3 months ago
2008
IEEE
Abstract-- We present COLR-Tree, an abstraction layer designed to support efficient spatio-temporal queries on live data gathered from a large collection of sensors. We use COLR-Tr...