3777 search results - page 162 / 756 » Estimating the Quality of Databases |
274
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ICDE
2000
IEEE
16 years 7 months ago
2000
IEEE
Optimizing queries that involve operations on spatial data requires estimating the selectivity and cost of these operations. In this paper, we focus on estimating the cost of spat...
139
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SIGMOD
1996
ACM
15 years 10 months ago
1996
ACM
This paper introduces bifocal sampling, a new technique for estimating the size of an equi-join of two relations. Bifocal sampling classi es tuples in each relation into two group...
198
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TIP
2008
15 years 6 months ago
2008
Estimating human age automatically via facial image analysis has lots of potential real-world applications, such as human computer interaction and multimedia communication. However...
189
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
In this paper we present a novel approach for estimating the selectivity of XML twig queries. Such a technique is useful for approximate query answering as well as for determining...
156
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CVPR
2009
IEEE
16 years 1 months ago
2009
IEEE
We investigate the biologically inspired features (BIF) for human age estimation from faces. As in previous bioinspired models, a pyramid of Gabor filters are used at all positio...