9683 search results - page 391 / 1937 » Predicting query performance |
175
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— In contrast to the traditional wireless sensor network (WSN) applications that perform only data collection and aggregation, new generation of information processing applicatio...
184
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DASFAA
2006
IEEE
16 years 27 days ago
2006
IEEE
Abstract. To process aggregation queries issued through different sensors as access points in sensor networks, existing algorithms handle queries independently and perform in-netw...
203
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CIKM
2005
Springer
16 years 11 days ago
2005
Springer
Modern query optimizers select an efficient join ordering for a physical execution plan based essentially on the average join selectivity factors among the referenced tables. In ...
170
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DMSN
2004
ACM
16 years 7 days ago
2004
ACM
Wireless sensor networks consist of nodes with the ability to measure, store, and process data, as well as to communicate wirelessly with nodes located in their wireless range. Us...
163
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SIGIR
2004
ACM
16 years 7 days ago
2004
ACM
It is crucial for cross-language information retrieval (CLIR) systems to deal with the translation of unknown queries1 due to that real queries might be short. The purpose of this...