243 search results - page 29 / 49 » Selectivity Estimation for Boolean Queries |
134
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ADC
2008
Springer
15 years 9 months ago
2008
Springer
This article describes how to implement efficient memory resident path indexes for semi-structured data. Two techniques are introduced, and they are shown to be significantly fas...
115
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SIGIR
2010
ACM
15 years 3 months ago
2010
ACM
Resource selection is an important task in Federated Search to select a small number of most relevant information sources. Current resource selection algorithms such as GlOSS, COR...
128
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ICML
2009
IEEE
16 years 3 months ago
2009
IEEE
We introduce a new algorithm for binary classification in the selective sampling protocol. Our algorithm uses Regularized Least Squares (RLS) as base classifier, and for this reas...
105
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VLDB
2004
ACM
15 years 8 months ago
2004
ACM
Progressive Optimization (POP) is a technique to make query plans robust, and minimize need for DBA intervention, by repeatedly re-optimizing a query during runtime if the cardina...
131
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DL
2000
Springer
15 years 7 months ago
2000
Springer
We evaluate server selection methods in a Web environment, modeling a digital library which makes use of existing Web search servers rather than building its own index. The evalua...