2853 search results - page 46 / 571 » On the Efficiency of Provenance Queries |
177
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ICDE
2003
IEEE
15 years 11 months ago
2003
IEEE
Query optimizers use base-table statistics to derive statistics on the sub-plans that are enumerated during optimization. In practice, traditional optimizers rely on a number of s...
110
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WEBDB
2010
Springer
14 years 7 months ago
2010
Springer
The Semantic Web, which represents a web of knowledge, offers new opportunities to search for knowledge and information. To harvest such search power requires robust and scalable ...
166
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
We study the problem of efficiently computing diverse query results in online shopping applications, where users specify queries through a form interface that allows a mix of stru...
WWW
2008
ACM
15 years 10 months ago
2008
ACM
This paper proposes several vectorial operators for processing XML twig queries, which are easy to be performed and inherently efficient for both Ancestor-Descendant (A-D) and Par...
104
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WISE
2006
Springer
15 years 3 months ago
2006
Springer
Filtering queries are widely used in data stream applications. As more and more filtering queries are registered in high-speed data stream management system, the processing efficie...