957 search results - page 9 / 192 » From Margin to Sparsity |
CHI
2002
ACM
14 years 8 months ago
2002
ACM
The Special Interest Group on Computer Human Interaction (SIGCHI) has had a successful history of 20 years of growth in its numbers and influence. To help guide the continued evol...
AAAI
2010
13 years 9 months ago
2010
Data sparsity is a major problem for collaborative filtering (CF) techniques in recommender systems, especially for new users and items. We observe that, while our target data are...
MP
2002
13 years 7 months ago
2002
In this paper we describe an automatic procedure for successively reducing the set of possible nonzeros in a Jacobian matrix until eventually the exact sparsity pattern is obtained...
TSP
2010
13 years 2 months ago
2010
Abstract--A cooperative approach to the sensing task of wireless cognitive radio (CR) networks is introduced based on a basis expansion model of the power spectral density (PSD) ma...
ICPR
2010
IEEE
13 years 7 months ago
2010
IEEE
—In this paper we propose an approach for the problem of single channel source separation of speech and music signals. Our approach is based on representing each source’s power...