Parallel Nonnegative Matrix Factorization via Newton Iteration.
Markus FlatzMarián VajtersicPublished in: Parallel Process. Lett. (2016)
Keyphrases
- nonnegative matrix factorization
- interior point
- newton method
- probabilistic latent semantic indexing
- least squares
- matrix factorization
- negative matrix factorization
- active set
- data representation
- nonnegative matrix
- objective function
- spectral clustering
- principal component analysis
- original data
- document clustering
- sparsity constraints
- linear programming