7228 search results - page 129 / 1446 » From Algorithmic to Subjective Randomness |
174
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FOCS
2004
IEEE
15 years 10 months ago
2004
IEEE
Let p > 1 be any fixed real. We show that assuming NP RP, there is no polynomial time algorithm that approximates the Shortest Vector Problem (SVP) in p norm within a constant ...
185
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
A recommender system must be able to suggest items that are likely to be preferred by the user. In most systems, the degree of preference is represented by a rating score. Given a...
149
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GECCO
2005
Springer
15 years 11 months ago
2005
Springer
Evolutionary algorithms (EAs) are widely used to deal with optimization problems in dynamic environments (DE) [3]. When using EAs to solve DE problems, we are usually interested i...
159
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PIMRC
2010
IEEE
15 years 4 months ago
2010
IEEE
We consider the problem of multi-cell downlink beamforming with N cells and K terminals per cell. Cooperation among base stations (BSs) has been found to increase the system throug...
186
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SIGIR
2003
ACM
15 years 11 months ago
2003
ACM
The ability to find tables and extract information from them is a necessary component of data mining, question answering, and other information retrieval tasks. Documents often c...