2724 search results - page 361 / 545 » Optimizing Queries on Files |
126
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EDBT
2008
ACM
16 years 3 months ago
2008
ACM
Data Stream Management Systems (DSMSs) must support optimized execution scheduling of multiple continuous queries on massive, and frequently bursty, data streams. Previous approac...
159
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SIGMOD
1993
ACM
15 years 7 months ago
1993
ACM
We describe the design and implementation of the Glue-Nail database system. The Nail language is a purely declarative query language; Glue is a procedural language used for nonque...
142
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ALDT
2009
Springer
15 years 10 months ago
2009
Springer
Abstract. An optimal probabilistic-planning algorithm solves a problem, usually modeled by a Markov decision process, by finding its optimal policy. In this paper, we study the k ...
115
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EDBT
2008
ACM
16 years 3 months ago
2008
ACM
Automatic physical database design tools rely on "what-if" interfaces to the query optimizer to estimate the execution time of the training query workload under differen...
119
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ECCV
2004
Springer
16 years 5 months ago
2004
Springer
We propose a method for measuring the quality of a grouping result, based on the following observation: a better grouping result provides more information about the true, unknown g...