3225 search results - page 350 / 645 » Query Optimization by Stored Queries |
195
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WWW
2010
ACM
16 years 1 months ago
2010
ACM
This paper is concerned with actively predicting search intent from user browsing behavior data. In recent years, great attention has been paid to predicting user search intent. H...
218
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EDBT
2012
ACM
13 years 9 months ago
2012
ACM
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
172
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GIS
2007
ACM
15 years 10 months ago
2007
ACM
Spatial join is an important yet costly operation in spatial databases. In order to speed up the execution of a spatial join, the input tables are often indexed based on their spa...
244
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CORR
1999
Springer
15 years 6 months ago
1999
Springer
Abstract. Nearest neighbor searching is a fundamental computational problem. A set of n data points is given in real d-dimensional space, and the problem is to preprocess these poi...
174
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
The rich dependency structure found in the columns of real-world relational databases can be exploited to great advantage, but can also cause query optimizers--which usually assum...