2108 search results - page 189 / 422 » Constrained Heuristic Search |
274
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TIT
2008
15 years 6 months ago
2008
Abstract--In linear programming (LP) decoding of a low-density parity-check (LDPC) code one minimizes a linear functional, with coefficients related to log-likelihood ratios, over ...
177
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BMCBI
2008
15 years 6 months ago
2008
Background: Inference of evolutionary trees using the maximum likelihood principle is NP-hard. Therefore, all practical methods rely on heuristics. The topological transformations...
173
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MOBIHOC
2004
ACM
16 years 6 months ago
2004
ACM
Caching Internet based services is a potentially important application for MANETs, as it can improve mobile users' perceived quality of service, reduce their energy consumpti...
132
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PAKM
2004
15 years 8 months ago
2004
In the framework of Knowledge Management, the Internet can be a valuable source of information to produce new Knowledge. Here, an ontologybased web search system to ease the enterp...
162
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DOCENG
2006
ACM
16 years 15 days ago
2006
ACM
In many text-processing applications, we would like shapes that expand (or shrink) in size to fit their textual content. We address how to efficiently compute the minimum size fo...