Non-negative Low-Rank and Group-Sparse Matrix Factorization.
Shuyi WuXiang ZhangNaiyang GuanDacheng TaoXuhui HuangZhigang LuoPublished 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