327 search results - page 42 / 66 » On the structure of the Medvedev lattice |
117
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SIAMSC
2011
14 years 4 months ago
2011
We develop an algebraic multigrid (AMG) setup scheme based on the bootstrap framework for multiscale scientific computation. Our approach uses a weighted least squares definition...
192
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ICDE
2012
IEEE
12 years 12 months ago
2012
IEEE
We present a new Bi-level LSH algorithm to perform approximate k-nearest neighbor search in high dimensional spaces. Our formulation is based on a two-level scheme. In the first ...
PAMI
2012
12 years 12 months ago
2012
—In this paper, we present a comprehensive analysis of self-dual and m-idempotent operators. We refer to an operator as m-idempotent if it converges after m iterations. We focus ...
100
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CVPR
2012
IEEE
12 years 12 months ago
2012
IEEE
Improving coding and spatial pooling for bag-of-words based feature design have gained a lot of attention in recent works addressing object recognition and scene classification. ...
73
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LATA
2010
Springer
15 years 4 months ago
2010
Springer
Abstract. Learnability is a vital property of formal grammars: representation classes should be defined in such a way that they are learnable. One way to build learnable represent...