6650 search results - page 461 / 1330 » Mutating database queries |
172
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SSDBM
2009
IEEE
16 years 1 months ago
2009
IEEE
We present a novel sensor network query processing architecture that (a) covers all the query optimization phases that are required to map a declarative query to executable code; ...
198
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DASFAA
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract. The rapid growth in the amount of XML data and the development of publish-subscribe systems have led to great interest in processing streaming XML data. We propose the Qs...
183
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DASFAA
2006
IEEE
16 years 26 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...
202
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CIKM
2005
Springer
16 years 10 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 ...
164
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VLDB
2005
ACM
16 years 8 days ago
2005
ACM
We study the problem of applying adaptive filters for approximate query processing in a distributed stream environment. We propose filter bound assignment protocols with the obj...