5166 search results - page 258 / 1034 » Web Query Optimizer |
112
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PVLDB
2010
15 years 4 months ago
2010
Dremel is a scalable, interactive ad-hoc query system for analysis of read-only nested data. By combining multi-level execution trees and columnar data layout, it is capable of ru...
294
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ICDT
2009
ACM
16 years 7 months ago
2009
ACM
The class of unions of conjunctive queries (UCQ) has been shown to be particularly well-behaved for data exchange; its certain answers can be computed in polynomial time (in terms...
197
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CIKM
2005
Springer
16 years 22 hour ago
2005
Springer
Search engines process queries conjunctively to restrict the size of the answer set. Further, it is not rare to observe a mismatch between the vocabulary used in the text of Web p...
155
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COLING
2010
15 years 1 months ago
2010
A weakly supervised method uses anonymized search queries to induce a ranking among class labels extracted from unstructured text for various instances. The accuracy of the extrac...
161
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MASCOTS
2003
15 years 7 months ago
2003
The Web proxy cache placement problem is often formulated as a classical optimization problem: place N proxies within an internetwork so as to minimize the average user response t...