SVD based initialization: A head start for nonnegative matrix factorization.
Christos BoutsidisEfstratios GallopoulosPublished in: Pattern Recognit. (2008)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- matrix factorization
- data representation
- negative matrix factorization
- least squares
- active set
- singular value decomposition
- spectral clustering
- sparsity constraints
- principal component analysis
- nonnegative matrix
- original data
- machine learning
- collaborative filtering
- probabilistic model
- recommender systems
- digital libraries
- information retrieval