2124 search results - page 51 / 425 » An Efficient Framework for Order Optimization |
135
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FUIN
2006
15 years 4 months ago
2006
In this paper we deal with the problem of finding an optimal query execution plan in database systems. We improve the analysis of a polynomial-time approximation algorithm due to M...
131
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PODS
2008
ACM
16 years 4 months ago
2008
ACM
We consider a fundamental flow maximization problem that arises during the evaluation of multiple overlapping queries defined on a data stream, in a heterogenous parallel environm...
115
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AMC
2005
15 years 4 months ago
2005
We present an interval branch-and-prune algorithm for computing verified enclosures for the global minimum and all global minimizers of univariate functions subject to bound const...
105
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TSMC
2008
15 years 4 months ago
2008
This paper deals with the problem of optimally matching two ordered sets of 3-D points by means of a rigid displacement. Contrary to the standard approach, where a sumof-squared-er...
164
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SIGMOD
2001
ACM
16 years 4 months ago
2001
ACM
Materialized views have been found to be very effective at speeding up queries, and are increasingly being supported by commercial databases and data warehouse systems. However, w...