Initialization enhancer for non-negative matrix factorization.
Zhonglong ZhengJie YangYitan ZhuPublished in: Eng. Appl. Artif. Intell. (2007)
Keyphrases
- negative matrix factorization
- nonnegative matrix factorization
- document clustering
- matrix factorization
- principal component analysis
- sparse representation
- k means
- constrained least squares
- spectral clustering
- tensor factorization
- sparsity constraints
- update rule
- latent semantic space
- databases
- collaborative filtering
- clustering algorithm
- machine learning