5166 search results - page 608 / 1034 » Web Query Optimizer |
182
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BNCOD
2008
15 years 8 months ago
2008
Abstract. Accurate selectivity estimations are essential for query optimization decisions where they are typically derived from various kinds of histograms which condense value dis...
272
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PODS
2009
ACM
16 years 7 months ago
2009
ACM
The B-tree is a fundamental external index structure that is widely used for answering one-dimensional range reporting queries. Given a set of N keys, a range query can be answere...
187
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WWW
2005
ACM
16 years 7 months ago
2005
ACM
Without the proliferation of formal semantic annotations, the Semantic Web is certainly doomed to failure. In earlier work we presented a new paradigm to avoid this: the 'Sel...
185
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CHI
2008
ACM
16 years 7 months ago
2008
ACM
Web image search is difficult in part because a handful of keywords are generally insufficient for characterizing the visual properties of an image. Popular engines have begun to ...
323
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
Increasing prevalence of large-scale distributed monitoring and computing environments such as sensor networks, scientific federations, Grids etc., has led to a renewed interest in...