13306 search results - page 2267 / 2662 » Theoretical Computer Science |
215
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SIAMSC
2008
15 years 7 months ago
2008
In this study, nonnegative matrix factorization is recast as the problem of approximating a polytope on the probability simplex by another polytope with fewer facets. Working on th...
175
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SIAMSC
2008
15 years 7 months ago
2008
This paper discusses both the theoretical and statistical errors obtained by various well-known dot products, from the canonical to pairwise algorithms, and introduces a new and mo...
180
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IJCV
2007
15 years 7 months ago
2007
We derive a family of kernels on dynamical systems by applying the Binet-Cauchy theorem to trajectories of states. Our derivation provides a unifying framework for all kernels on d...
260
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SIGMETRICS
2008
ACM
15 years 7 months ago
2008
ACM
In this paper, we consider hybrid peer-to-peer systems where users form an unstructured peer-to-peer network with the purpose of assisting a server in the distribution of data. We...
160
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SP
2008
IEEE
15 years 7 months ago
2008
IEEE
We present a novel eavesdropping technique for spying at a distance on data that is displayed on an arbitrary computer screen, including the currently prevalent LCD monitors. Our ...