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SDM
2010
SIAM
195views Data Mining» more  SDM 2010»
13 years 9 months ago
MACH: Fast Randomized Tensor Decompositions
Tensors naturally model many real world processes which generate multi-aspect data. Such processes appear in many different research disciplines, e.g, chemometrics, computer visio...
Charalampos E. Tsourakakis
SDM
2008
SIAM
113views Data Mining» more  SDM 2008»
13 years 9 months ago
Randomization of real-valued matrices for assessing the significance of data mining results
Markus Ojala, Niko Vuokko, Aleksi Kallio, Niina Ha...
SDM
2012
SIAM
245views Data Mining» more  SDM 2012»
11 years 10 months ago
Deterministic CUR for Improved Large-Scale Data Analysis: An Empirical Study
Low-rank approximations which are computed from selected rows and columns of a given data matrix have attracted considerable attention lately. They have been proposed as an altern...
Christian Thurau, Kristian Kersting, Christian Bau...
MOC
2010
13 years 2 months ago
H(div) preconditioning for a mixed finite element formulation of the diffusion problem with random data
We study H(div) preconditioning for the saddle-point systems that arise in a stochastic Galerkin mixed formulation of the steady-state diffusion problem with random data. The key i...
Howard C. Elman, Darran G. Furnival, Catherine E. ...