165 search results - page 18 / 33 » Community discovery using nonnegative matrix factorization |
BMCBI
2010
14 years 9 months ago
2010
Background: As a novel cancer diagnostic paradigm, mass spectroscopic serum proteomic pattern diagnostics was reported superior to the conventional serologic cancer biomarkers. Ho...
101
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ICASSP
2009
IEEE
14 years 7 months ago
2009
IEEE
Nonnegative matrix tri-factorization (NMTF) is a 3-factor decomposition of a nonnegative data matrix, X USV , where factor matrices, U, S, and V , are restricted to be nonnegativ...
TKDE
2011
14 years 4 months ago
2011
—Previous studies have demonstrated that document clustering performance can be improved significantly in lower dimensional linear subspaces. Recently, matrix factorization base...
88
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IMC
2007
ACM
14 years 11 months ago
2007
ACM
We consider the problem of diagnosing performance problems in distributed system and networks given end-to-end performance measurements provided by test transactions, or probes. C...
203
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ICA
2012
Springer
13 years 5 months ago
2012
Springer
Abstract. The use of high level information in source separation algorithms can greatly constrain the problem and lead to improved results by limiting the solution space to semanti...