Regularized L21-Based Semi-NonNegative Matrix Factorization.
Anthony D. RhodesBin JiangPublished in: CoRR (2020)
Keyphrases
- nonnegative matrix factorization
- least squares
- sparsity constraints
- probabilistic latent semantic indexing
- matrix factorization
- data representation
- negative matrix factorization
- active set
- objective function
- nonnegative matrix
- principal component analysis
- spectral clustering
- document clustering
- data sets
- text categorization
- collaborative filtering
- optical flow
- factor matrices
- metadata
- feature selection