Non-negative Low-Rank and Group-Sparse Matrix Factorization.

Shuyi Wu Xiang Zhang Naiyang Guan Dacheng Tao Xuhui Huang Zhigang Luo

Published in: MMM (2) (2015)

Keyphrases

matrix factorization
low rank
tensor factorization
low rank matrix
rank minimization
low rank matrices
collaborative filtering
nuclear norm

sparsity constraints
missing data
matrix completion
negative matrix factorization
recommender systems
factorization methods
kernel matrix
nonnegative matrix factorization

regularized regression
factor analysis
data matrix
factorization method
low rank approximation
stochastic gradient descent
singular values
latent factors

trace norm
convex optimization
linear combination
binary matrix
generative model
small number
pairwise