145 search results - page 5 / 29 » On Constrained Sparse Matrix Factorization |
100
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LATIN
2010
Springer
15 years 4 months ago
2010
Springer
We consider the multiplication of a sparse N × N matrix A with a dense N × N matrix B in the I/O model. We determine the worst-case non-uniform complexity of this task up to a c...
EUROPAR
2003
Springer
15 years 3 months ago
2003
Springer
Abstract. This paper shows how a sparse hypermatrix Cholesky factorization can be improved. This is accomplished by means of efficient codes which operate on very small dense matri...
115
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ICA
2007
Springer
15 years 4 months ago
2007
Springer
In the paper we present new Alternating Least Squares (ALS) algorithms for Nonnegative Matrix Factorization (NMF) and their extensions to 3D Nonnegative Tensor Factorization (NTF) ...
BIBM
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract--Protein-protein interactions (PPI) play an important role in cellular processes and metabolic processes within a cell. An important task is to determine the existence of ...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
This paper presents a novel spatial texture prediction method based on non-negative matrix factorization. As an extension of template matching, approximation based iterative textu...