33 search results - page 6 / 7 » Structured Sparsity with Group-Graph Regularization |
SC
2009
ACM
14 years 4 months ago
2009
ACM
Sparse matrix-vector multiplication (SpMV) is of singular importance in sparse linear algebra. In contrast to the uniform regularity of dense linear algebra, sparse operations enc...
ICML
2010
IEEE
13 years 10 months ago
2010
IEEE
We propose to combine two approaches for modeling data admitting sparse representations: on the one hand, dictionary learning has proven effective for various signal processing ta...
BMCBI
2010
13 years 9 months ago
2010
Background: Protein loops encompass 50% of protein residues in available three-dimensional structures. These regions are often involved in protein functions, e.g. binding site, ca...
KDD
2010
ACM
13 years 11 months ago
2010
ACM
The fused Lasso penalty enforces sparsity in both the coefficients and their successive differences, which is desirable for applications with features ordered in some meaningful w...
CSDA
2006
13 years 9 months ago
2006
An approach to simultaneous document classification and word clustering is developed using a two-way mixture model of Poisson distributions. Each document is represented by a vect...