3341 search results - page 527 / 669 » On Bounded Queries and Approximation |
170
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ICDE
2006
IEEE
15 years 11 months ago
2006
IEEE
Relational data streams and XML streams have previously provided two separate research foci, but their unified support by a single Data Stream Management System (DSMS) is very des...
WWW
2005
ACM
15 years 10 months ago
2005
ACM
We consider the problem of efficiently sampling Web search engine query results. In turn, using a small random sample instead of the full set of results leads to efficient approxi...
143
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SIGMOD
2004
ACM
15 years 10 months ago
2004
ACM
Database system architectures are undergoing revolutionary changes. Most importantly, algorithms and data are being unified by integrating programming languages with the database ...
CIKM
1999
Springer
15 years 2 months ago
1999
Springer
On-line analytical processing (OLAP) requires e cient processing of complex decision support queries over very large databases. It is well accepted that pre-computed data cubes ca...
CIKM
2008
Springer
15 years 16 hour ago
2008
Springer
Researchers investigating personalization techniques for Web Information Retrieval face a challenge; that the data required to perform evaluations, namely query logs and clickthro...