8437 search results - page 615 / 1688 » Preferences over Sets |
292
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VLDB
2007
ACM
16 years 7 months ago
2007
ACM
An optimization query asks for one or more data objects that maximize or minimize some function over the data set. We propose a general class of queries, model-based optimization ...
312
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SIGMOD
2006
ACM
16 years 7 months ago
2006
ACM
This paper introduces the Tuple Graph (TuG) synopses, a new class of data summaries that enable accurate selectivity estimates for complex relational queries. The proposed summari...
164
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EDBT
2008
ACM
16 years 7 months ago
2008
ACM
In this paper we study the problem of mining all frequent queries in a given database table, a problem known to be intractable even for conjunctive queries. We restrict our attent...
199
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ICDE
2010
IEEE
16 years 4 months ago
2010
IEEE
— Many applications require sorting a table over multiple sort orders: generation of multiple reports from a table, evaluation of a complex query that involves multiple instances...
178
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ICCD
2002
IEEE
16 years 4 months ago
2002
IEEE
A variety of factors is making it increasingly difficult and expensive to design and manufacture traditional Application Specific Integrated Circuits (ASICs). This has started a s...