780 search results - page 15 / 156 » Cost-Sharing Approximations for h |
209
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ISCAS
2008
IEEE
16 years 1 months ago
2008
IEEE
— Non-negative matrix factorization (NMF), i.e. V ≈ WH where both V, W and H are non-negative has become a widely used blind source separation technique due to its part based r...
178
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DILS
2007
Springer
16 years 26 days ago
2007
Springer
2D-Nuclear magnetic resonance (NMR) spectroscopy is a powerful analytical method to elucidate the chemical structure of molecules. In contrast to 1D-NMR spectra, 2D-NMR spectra cor...
262
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
We propose a language-model-based ranking approach for SPARQLlike queries on entity-relationship graphs. Our ranking model supports exact matching, approximate structure matching,...
168
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FSTTCS
2003
Springer
15 years 12 months ago
2003
Springer
Given a polygonal path P with vertices p1, p2, . . . , pn and a real number t ≥ 1, a path Q = (pi1 , pi2 , . . . , pik ) is a t-distance-preserving approximation of P if 1 = i1 &...
199
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CIKM
2006
Springer
15 years 10 months ago
2006
Springer
In this paper, we propose an approach for efficient approximative RkNN search in arbitrary metric spaces where the value of k is specified at query time. Our method uses an approx...