7930 search results - page 305 / 1586 » Greedy in Approximation Algorithms |
172
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JMLR
2002
15 years 6 months ago
2002
We consider a finite-state Markov decision problem and establish the convergence of a special case of optimistic policy iteration that involves Monte Carlo estimation of Q-values,...
158
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ACL
2009
15 years 4 months ago
2009
Combining word alignments trained in two translation directions has mostly relied on heuristics that are not directly motivated by intended applications. We propose a novel method...
172
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CLEF
2011
Springer
14 years 6 months ago
2011
Springer
Abstract This paper describes the University of Sheffield entry for the 3rd International Competition on Plagiarism Detection which attempted the monolingual external plagiarism d...
161
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STOC
2009
ACM
16 years 7 months ago
2009
ACM
We consider the stochastic Steiner forest problem: suppose we were given a collection of Steiner forest instances, and were guaranteed that a random one of these instances would a...
152
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CVPR
2010
IEEE
15 years 11 months ago
2010
IEEE
Unsupervised over-segmentation of an image into superpixels is a common preprocessing step for image parsing algorithms. Superpixels are used as both regions of support for featur...