3319 search results - page 372 / 664 » Type Theoretical Databases |
231
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ICDE
2008
IEEE
16 years 5 months ago
2008
IEEE
We identify and formalize a novel join operator for two spatial pointsets P and Q. The common influence join (CIJ) returns the pairs of points (p, q), p P, q Q, such that there e...
232
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ICDE
2007
IEEE
16 years 5 months ago
2007
IEEE
The goal of this paper is to monitor numerical streams, and to find subsequences that are similar to a given query sequence, under the DTW (Dynamic Time Warping) distance. Applica...
224
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ICDE
2006
IEEE
16 years 5 months ago
2006
IEEE
We present MiniCount, the first efficient sound and complete algorithm for finding maximally contained rewritings of conjunctive queries with count, using conjunctive views with c...
221
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ICDE
2006
IEEE
16 years 5 months ago
2006
IEEE
Wireless sensor networks generate a vast amount of data. This data, however, must be sparingly extracted to conserve energy, usually the most precious resource in battery-powered ...
192
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ICDE
2006
IEEE
16 years 5 months ago
2006
IEEE
The problem of frequently updating multi-dimensional indexes arises in many location-dependent applications. While the R-tree and its variants are one of the dominant choices for ...