296 search results - page 41 / 60 » Weighted nonnegative matrix factorization |
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
We present a framework for automatically summarizing social group activity over time. The problem is important in understanding large scale online social networks, which have dive...
JMLR
2008
13 years 7 months ago
2008
We study a generative model in which hidden causes combine competitively to produce observations. Multiple active causes combine to determine the value of an observed variable thr...
CVPR
2011
IEEE
13 years 3 months ago
2011
IEEE
We develop a dictionary learning method which is (i) online, (ii) enables overlapping group structures with (iii) non-convex sparsity-inducing regularization and (iv) handles the ...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
We present a novel and unique combination of algorithms to detect the gender of the leading vocalist in recorded popular music. Building on our previous successful approach that e...
AUTOMATICA
2008
13 years 7 months ago
2008
Fitting data by a bounded complexity linear model is equivalent to low-rank approximation of a matrix constructed from the data. The data matrix being Hankel structured is equival...