Compressed Nonnegative Matrix Factorization is Fast and Accurate.
Mariano TepperGuillermo SapiroPublished in: CoRR (2015)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- data representation
- matrix factorization
- negative matrix factorization
- active set
- nonnegative matrix
- least squares
- document clustering
- spectral clustering
- search engine
- multiscale
- principal component analysis
- document collections
- original data
- sparsity constraints