Partial Identifiability for Nonnegative Matrix Factorization.
Nicolas GillisRóbert RajkóPublished in: SIAM J. Matrix Anal. Appl. (2023)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- negative matrix factorization
- matrix factorization
- data representation
- active set
- least squares
- nonnegative matrix
- principal component analysis
- spectral clustering
- document clustering
- original data
- objective function
- sparsity constraints
- machine learning
- collaborative filtering
- multiscale
- image retrieval
- similarity measure