2853 search results - page 438 / 571 » On the Efficiency of Provenance Queries |
190
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
We present new algorithms on commodity graphics processors to perform fast computation of several common database operations. Specifically, we consider operations such as conjunct...
173
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
Existing methods for prediction in spatio-temporal databases assume that objects move according to linear functions. This severely limits their applicability, since in practice mo...
181
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
In many decision-making applications, the skyline query is frequently used to find a set of dominating data points (called skyline points) in a multidimensional dataset. In a high-...
166
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
Nearest neighbor (NN) queries have been extended from Euclidean spaces to road networks. Existing approaches are either based on Dijkstra-like network expansion or NN/distance prec...
152
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MOBIHOC
2006
ACM
16 years 6 months ago
2006
ACM
Tag identification is an important tool in RFID systems with applications for monitoring and tracking. A RFID reader recognizes tags through communication over a shared wireless c...