18306 search results - page 3020 / 3662 » Algorithmics in Exponential Time |
273
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ICDE
2008
IEEE
16 years 7 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...
268
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ICDE
2008
IEEE
16 years 7 months ago
2008
IEEE
Aggregate measures summarizing subsets of data are valuable in exploratory analysis and decision support, especially when dependent aggregations can be easily specified and compute...
272
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
Algorithms that exploit sort orders are widely used to implement joins, grouping, duplicate elimination and other set operations. Query optimizers traditionally deal with sort ord...
242
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
MultiMap is an algorithm for mapping multidimensional datasets so as to preserve the data's spatial locality on disks. Without revealing disk-specific details to applications...
277
Voted
ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
For location-based services it is often essential to efficiently process proximity relations among mobile objects, such as to establish whether a group of friends or family member...