3057 search results - page 556 / 612 » Complexity management |
213
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SIGMOD
2008
ACM
16 years 1 months ago
2008
ACM
The problem of simultaneously clustering columns and rows (coclustering) arises in important applications, such as text data mining, microarray analysis, and recommendation system...
201
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SIGMOD
2007
ACM
16 years 1 months ago
2007
ACM
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...
173
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SIGMOD
2007
ACM
16 years 1 months ago
2007
ACM
Optimizing SQL subqueries has been an active area in database research and the database industry throughout the last decades. Previous work has already identified some approaches ...
125
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PODS
2004
ACM
16 years 1 months ago
2004
ACM
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
124
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PODS
2007
ACM
16 years 1 months ago
2007
ACM
The generalized hypertree width GHW(H) of a hypergraph H is a measure of its cyclicity. Classes of conjunctive queries or constraint satisfaction problems whose associated hypergr...