17329 search results - page 2950 / 3466 » Improved non-approximability results |
179
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ECCC
2006
15 years 7 months ago
2006
We give new constructions of randomness extractors and lossless condensers that are optimal to within constant factors in both the seed length and the output length. For extractor...
138
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ECRA
2006
15 years 7 months ago
2006
Bundling is a very popular sales-promotion tool, in which a critical issue is to decide what products should be sold together in order to improve sales. Traditionally, this decisi...
205
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IJCGA
2008
15 years 7 months ago
2008
Published as Technical Report LU-CS-TR:2005-238 on February 13, 2006, ISSN 1650-1276 Report 158, Lund University, Sweden 2006 We discuss and compare four fixed parameter algorithm...
196
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ENVSOFT
2006
15 years 7 months ago
2006
Models are increasingly being relied upon to inform and support natural resource management. They are incorporating an ever broader range of disciplines and now often confront peo...
201
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IJCV
2008
15 years 7 months ago
2008
We develop hierarchical, probabilistic models for objects, the parts composing them, and the visual scenes surrounding them. Our approach couples topic models originally developed...