3777 search results - page 405 / 756 » Estimating the Quality of Databases |
129
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VLDB
2004
ACM
15 years 11 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...
163
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ICDT
2001
ACM
15 years 10 months ago
2001
ACM
Abstract. Nearest-neighbor queries in high-dimensional space are of high importance in various applications, especially in content-based indexing of multimedia data. For an optimiz...
140
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VLDB
1992
ACM
15 years 9 months ago
1992
ACM
In the past, two basic approaches for sampling f5-om B+ trees have been suggested: sampling from the ranked trees and acceptance/rejection sampling i?om non-ranked trees. The firs...
150
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CVPR
2010
IEEE
15 years 7 months ago
2010
IEEE
Image similarity search is a fundamental problem in computer vision. Efficient similarity search across large image databases depends critically on the availability of compact ima...
167
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GEOINFO
2003
15 years 6 months ago
2003
Relational index structures, as for instance the Relational Interval Tree, the Relational R-Tree, or the Linear Quadtree, support efficient processing of queries on top of existing...