Keyphrases
- nonnegative matrix factorization
- low rank approximation
- spectral clustering
- matrix decomposition
- probabilistic latent semantic indexing
- matrix factorization
- data representation
- negative matrix factorization
- eigendecomposition
- least squares
- principal component analysis
- nonnegative matrix
- clustering method
- document clustering
- k means
- data clustering
- pattern recognition
- data matrix
- objective function
- clustering algorithm
- knowledge discovery
- data mining
- original data
- xml documents
- low rank
- pairwise
- natural language
- feature extraction
- image segmentation
- machine learning