Computing a Nonnegative Matrix Factorization -- Provably
Sanjeev AroraRong GeRavi KannanAnkur MoitraPublished in: CoRR (2011)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- matrix factorization
- negative matrix factorization
- least squares
- data representation
- nonnegative matrix
- active set
- spectral clustering
- document clustering
- principal component analysis
- machine learning
- sparsity constraints
- multiscale
- data sets
- original data
- supervised learning
- recommender systems