3891 search results - page 461 / 779 » Query Models |
199
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VLDB
2007
ACM
16 years 4 months ago
2007
ACM
This paper analyzes the performance of concurrent (index) scan operations in both record (NSM/PAX) and column (DSM) disk storage models and shows that existing scheduling policies...
161
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SIGMOD
2004
ACM
16 years 4 months ago
2004
ACM
Despite the widespread and growing use of asynchronous copies to improve scalability, performance and availability, this practice still lacks a firm semantic foundation. Applicati...
153
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EDBT
2008
ACM
16 years 4 months ago
2008
ACM
Sharing huge, massively distributed databases in P2P systems is inherently difficult. As the amount of stored data increases, data localization techniques become no longer suffici...
117
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CVPR
2010
IEEE
16 years 12 days ago
2010
IEEE
Active learning methods aim to select the most informative unlabeled instances to label first, and can help to focus image or video annotations on the examples that will most impr...
130
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WSDM
2009
ACM
15 years 10 months ago
2009
ACM
We study the problem of answering ambiguous web queries in a setting where there exists a taxonomy of information, and that both queries and documents may belong to more than one ...