A Multilevel Approach For Nonnegative Matrix Factorization
Nicolas GillisFrançois GlineurPublished in: CoRR (2010)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- matrix factorization
- negative matrix factorization
- data representation
- active set
- least squares
- nonnegative matrix
- principal component analysis
- sparsity constraints
- spectral clustering
- document clustering
- original data
- data sets
- information retrieval
- document collections
- text categorization
- dimensionality reduction
- collaborative filtering