Towards Complex Nonnegative Matrix Factorization with the Beta-Divergence.
Paul MagronTuomas VirtanenPublished in: IWAENC (2018)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- matrix factorization
- negative matrix factorization
- spectral clustering
- data representation
- active set
- document clustering
- nonnegative matrix
- least squares
- sparsity constraints
- data mining
- similarity measure
- k means
- principal component analysis