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193
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COMPGEOM
2004
ACM
16 years 8 hour ago
2004
ACM
We present memory-efficient deterministic algorithms for constructing -nets and -approximations of streams of geometric data. Unlike probabilistic approaches, these deterministic...
163
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DMSN
2004
ACM
16 years 8 hour ago
2004
ACM
We consider the in-network computation of approximate “big picture” summaries in bandwidth-constrained sensor networks. First we review early work on computing the Haar wavele...
207
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ADBIS
2004
Springer
15 years 12 months ago
2004
Springer
Nowadays, one of the main research issues of great interest is the efficient tracking of mobile objects that enables the effective answering of spatiotemporal queries. This line o...
182
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KR
2004
Springer
15 years 12 months ago
2004
Springer
There are numerous applications such as air traffic management, cellular phone location tracking, and vehicle protection systems where there is a critical need to reason about mo...
158
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LATIN
2004
Springer
15 years 12 months ago
2004
Springer
We introduce a new sublinear space data structure—the Count-Min Sketch— for summarizing data streams. Our sketch allows fundamental queries in data stream summarization such a...