7930 search results - page 542 / 1586 » Greedy in Approximation Algorithms |
213
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OPODIS
2007
15 years 8 months ago
2007
Peer to peer overlay networks have proven to be a good support for storing and retrieving data in a fully decentralized way. A sound approach is to structure them in such a way tha...
206
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SIAMMAX
2010
15 years 1 months ago
2010
Abstract. Given a symmetric positive definite matrix A, we compute a structured approximate Cholesky factorization A RT R up to any desired accuracy, where R is an upper triangula...
199
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WWW
2009
ACM
16 years 7 months ago
2009
ACM
To deal with the problem of empty or too little answers returned from a Web database in response to a user query, this paper proposes a novel approach to provide relevant and rank...
181
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ICASSP
2008
IEEE
16 years 1 months ago
2008
IEEE
Finding sparse approximate solutions to large underdetermined linear systems of equations is a common problem in signal/image processing and statistics. Basis pursuit, the least a...
209
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IMC
2006
ACM
16 years 1 months ago
2006
ACM
Pattern matching and analysis over network data streams is increasingly becoming an essential primitive of network monitoring systems. It is a fundamental part of most intrusion d...