9683 search results - page 593 / 1937 » Predicting query performance |
199
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ICDE
2008
IEEE
16 years 1 months ago
2008
IEEE
— In the context of adaptive query processing (AQP), several techniques have been proposed for dynamically adapting/redistributing processor load assignments throughout a computa...
223
Voted
ICDE
2006
IEEE
16 years 1 months ago
2006
IEEE
Scientific instruments, such as radio telescopes, colliders, sensor networks, and simulators generate very high volumes of data streams that scientists analyze to detect and under...
182
Voted
CIKM
2003
Springer
16 years 14 days ago
2003
Springer
Existing estimation approaches for multi-dimensional databases often rely on the assumption that data distribution in a small region is uniform, which seldom holds in practice. Mo...
179
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CIKM
2009
Springer
15 years 12 months ago
2009
Springer
We systematically compare five representative state-of-theart methods for estimating query language models with pseudo feedback in ad hoc information retrieval, including two var...
185
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EUROPAR
1999
Springer
15 years 11 months ago
1999
Springer
For complex queries in parallel database systems, substantial amounts of data must be redistributed between operators executed on different processing nodes. Frequently, such inter...