3225 search results - page 362 / 645 » Query Optimization by Stored Queries |
182
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ISCSCT
2008
IEEE
16 years 1 months ago
2008
IEEE
—Relevance feedback(RF) has been proved to be an effective way to improve the precision and recall of 3D model retrieval. However, the existing RF approaches do not consider whic...
159
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DBPL
2007
Springer
16 years 24 days ago
2007
Springer
The widespread adoption of XML has led to programming languages that support XML as a first class construct. In this paper, we present a method for analyzing and optimizing impera...
184
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COMPGEOM
2006
ACM
16 years 18 days ago
2006
ACM
This paper examines the computation of the Voronoi diagram of a set of ellipses in the Euclidean plane. We propose the first complete algorithms, under the exact computation para...
155
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VLDB
2004
ACM
15 years 12 months ago
2004
ACM
When query optimizers erroneously assume that database columns are statistically independent, they can underestimate the selectivities of conjunctive predicates by orders of magni...
174
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EDBT
2009
ACM
15 years 10 months ago
2009
ACM
Many Web applications are based on dynamic interactions between Web components exchanging flows of information. Such a situation arises for instance in mashup systems or when moni...