Convex Nonnegative Matrix Factorization with Rank-1 Update for Clustering.
Rafal ZdunekPublished in: ICAISC (2015)
Keyphrases
- nonnegative matrix factorization
- nonnegative matrix
- probabilistic latent semantic indexing
- spectral clustering
- matrix factorization
- negative matrix factorization
- data representation
- document clustering
- least squares
- principal component analysis
- convex optimization
- clustering method
- sparsity constraints
- matrix factorisation
- information retrieval
- data matrix
- original data
- data points