Clustering-based initialization for non-negative matrix factorization.
Yun XueChong Sze TongYing ChenWen-Sheng ChenPublished in: Appl. Math. Comput. (2008)
Keyphrases
- negative matrix factorization
- nonnegative matrix factorization
- matrix factorization
- sparse representation
- principal component analysis
- document clustering
- constrained least squares
- k means
- spectral clustering
- tensor factorization
- sparsity constraints
- knowledge discovery
- k nearest neighbor
- feature extraction
- machine learning
- data mining
- neural network
- databases