Latent Pattern Identification Using Orthogonal-Constraint Coupled Nonnegative Matrix Factorization.
Anandkumar BalasubramaniamThirunavukarasu BalasubramaniamAnand PaulRichi NayakPublished in: AI (2022)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- sparsity constraints
- matrix factorization
- active set
- latent structure
- negative matrix factorization
- data representation
- spectral clustering
- nonnegative matrix
- principal component analysis
- document clustering
- least squares
- latent variables
- global constraints
- relational databases
- natural language