Efficient algorithm for sparse symmetric nonnegative matrix factorization.
Melisew Tefera BelachewPublished in: Pattern Recognit. Lett. (2019)
Keyphrases
- nonnegative matrix factorization
- active set
- learning algorithm
- sparsity constraints
- negative matrix factorization
- similarity measure
- probabilistic latent semantic indexing
- input data
- knowledge discovery
- least squares
- nearest neighbor
- text categorization
- data clustering
- matrix factorization
- information extraction
- k means
- objective function
- data sets