On Rationality of Nonnegative Matrix Factorization.
Dmitry ChistikovStefan KieferInes MarusicMahsa ShirmohammadiJames WorrellPublished in: SODA (2017)
Keyphrases
- nonnegative matrix factorization
- matrix factorization
- probabilistic latent semantic indexing
- negative matrix factorization
- data representation
- active set
- spectral clustering
- nonnegative matrix
- least squares
- principal component analysis
- document clustering
- objective function
- collaborative filtering
- pattern recognition
- original data
- sparsity constraints
- data analysis
- efficient implementation
- relational databases
- high dimensional
- keywords