5595 search results - page 775 / 1119 » Comparing Subsumption Optimizations |
306
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ICDE
2008
IEEE
16 years 8 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...
280
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ICDE
2006
IEEE
16 years 8 months ago
2006
IEEE
Web-database systems are nowadays an integral part of everybody's life, with applications ranging from monitoring/trading stock portfolios, to personalized blog aggregation a...
320
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ICDE
2005
IEEE
16 years 8 months ago
2005
IEEE
Given a region qR and a future timestamp qT, a "range aggregate" query estimates the number of objects expected to appear in qR at time qT. Currently the only methods fo...
365
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ICDE
2004
IEEE
16 years 8 months ago
2004
IEEE
Previous studies have presented convincing arguments that a frequent pattern mining algorithm should not mine all frequent patterns but only the closed ones because the latter lea...
297
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ICDE
2003
IEEE
16 years 8 months ago
2003
IEEE
In a visualization system, one of the key issues is to optimize performance and visual fidelity. This is especially critical for large virtual environments where the models do not...