9719 search results - page 171 / 1944 » Answer Set Optimization |
252
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Partial evaluation has recently proven an effective technique for evaluating Boolean XPath queries over a fragmented tree that is distributed over a number of sites. What left ope...
216
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DASFAA
2010
IEEE
15 years 10 months ago
2010
IEEE
This paper studies a new query on uncertain data, called k-selection query. Given an uncertain dataset of N objects, where each object is associated with a preference score and a p...
175
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DMDW
2000
15 years 8 months ago
2000
As views in a data warehouse become more complex, the view maintenance process can become very complicated and potentially very inefficient. Storing auxiliary views in the warehou...
254
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ICDE
2006
IEEE
16 years 8 months ago
2006
IEEE
Web-database systems are nowadays an integral part of everybody's life, with applications ranging from monitoring/trading stock portfolios, to personalized blog aggregation a...
280
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ICDE
2006
IEEE
16 years 8 months ago
2006
IEEE
We introduce a new domain-independent framework for formulating and efficiently evaluating similarity queries over historical data, where given a history as a sequence of timestam...