3225 search results - page 226 / 645 » Query Optimization by Stored Queries |
136
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ECOOP
2006
Springer
15 years 8 months ago
2006
Springer
Object persistence architectures support transparent access to persistent objects. For efficiency, many of these architectures support queries that can prefetch associated objects ...
134
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CIKM
2003
Springer
15 years 10 months ago
2003
Springer
Existing estimation approaches for multi-dimensional databases often rely on the assumption that data distribution in a small region is uniform, which seldom holds in practice. Mo...
168
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AIMSA
2006
Springer
15 years 8 months ago
2006
Springer
Although speech and language processing techniques achieved a relative maturity during the last decade, designing a spoken dialogue system is still a tailoring task because of the ...
198
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STOC
2012
ACM
13 years 7 months ago
2012
ACM
We consider submodular optimization problems, and provide a general way of translating oracle inapproximability results arising from the symmetry gap technique to computational co...
228
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ICDE
2005
IEEE
16 years 6 months ago
2005
IEEE
We consider the problem of efficiently computing the skyline against the most recent N elements in a data stream seen so far. Specifically, we study the n-of-N skyline queries; th...