56 search results - page 9 / 12 » Stochastic methods for l1 regularized loss minimization |
SDM
2010
SIAM
14 years 10 months ago
2010
SIAM
A popular approach for dimensionality reduction and data analysis is principal component analysis (PCA). A limiting factor with PCA is that it does not inform us on which of the o...
ICASSP
2008
IEEE
15 years 6 months ago
2008
IEEE
We examine the application of current research in sparse signal recovery to the problem of channel estimation. Specifically, using an Orthogonal Frequency Division Multiplexed (O...
161
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SAGA
2009
Springer
15 years 7 months ago
2009
Springer
We propose a generic method for obtaining quickly good upper bounds on the minimal value of a multistage stochastic program. The method is based on the simulation of a feasible dec...
115
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CIKM
2006
Springer
15 years 4 months ago
2006
Springer
We discuss information retrieval methods that aim at serving a diverse stream of user queries such as those submitted to commercial search engines. We propose methods that emphasi...
CSDA
2006
15 years 12 days ago
2006
The three-mode partitioning model is a clustering model for three-way three-mode data sets that implies a simultaneous partitioning of all three modes involved in the data. In the...