3225 search results - page 421 / 645 » Query Optimization by Stored Queries |
158
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CCGRID
2008
IEEE
16 years 1 months ago
2008
IEEE
Distributed applications tend to have a complex design due to issues such as concurrency, synchronization and communication. Researchers in the past have proposed abstractions to ...
179
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ICDM
2007
IEEE
16 years 25 days ago
2007
IEEE
We consider the problem of elastic matching of sequences of real numbers. Since both a query and a target sequence may be noisy, i.e., contain some outlier elements, it is desirab...
159
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EDBT
2010
ACM
16 years 1 months ago
2010
ACM
Implementations of map-reduce are being used to perform many operations on very large data. We examine strategies for joining several relations in the map-reduce environment. Our ...
142
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PODS
2010
ACM
15 years 11 months ago
2010
ACM
A fundamental problem in data management is to draw a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With large, streamin...
260
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ICDE
2008
IEEE
16 years 8 months ago
2008
IEEE
A common technique for processing conjunctive queries is to first match each predicate separately using an index lookup, and then compute the intersection of the resulting rowid li...