Controlling orthogonality constraints for better NMF clustering.
Ievgen RedkoYounès BennaniPublished in: IJCNN (2014)
Keyphrases
- nonnegative matrix factorization
- semi supervised clustering
- negative matrix factorization
- document clustering
- spectral clustering
- nonnegative matrix
- clustering algorithm
- data representation
- matrix factorization
- k means
- instance level constraints
- clustering method
- principal component analysis
- constrained clustering
- probabilistic latent semantic analysis
- least squares
- matrix factorisation
- neural network
- pairwise constraints
- linear constraints
- signal processing
- objective function
- semi supervised
- information theoretic
- constraint satisfaction
- constraint programming
- hierarchical clustering
- pairwise
- normalized cut
- categorical data
- unsupervised learning
- data matrix
- data points
- data clustering