2853 search results - page 271 / 571 » On the Efficiency of Provenance Queries |
181
Voted
KDD
2001
ACM
16 years 7 months ago
2001
ACM
We present a generalization of frequent itemsets allowing the notion of errors in the itemset definition. We motivate the problem and present an efficient algorithm that identifie...
264
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VLDB
2007
ACM
16 years 6 months ago
2007
ACM
Estimating the cardinality (i.e. number of distinct elements) of an arbitrary set expression defined over multiple distributed streams is one of the most fundamental queries of in...
198
Voted
WCE
2007
15 years 7 months ago
2007
– Maintenance of the cache consistency is a complicated issue in the wireless mobile environment. Caching of frequently accessed data items on the node can reduce the bandwidth r...
209
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COMCOM
2006
15 years 6 months ago
2006
In this paper we consider a distributed and efficient information dissemination and retrieval system for wireless sensor networks. In such a system each sensor node operates auton...
147
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PAMI
2008
15 years 6 months ago
2008
This paper describes BoostMap, a method for efficient nearest neighbor retrieval under computationally expensive distance measures. Database and query objects are embedded into a v...