Refined-Graph Regularization-Based Nonnegative Matrix Factorization.
Xuelong LiGuosheng CuiYongsheng DongPublished in: ACM Trans. Intell. Syst. Technol. (2017)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- negative matrix factorization
- matrix factorization
- least squares
- sparsity constraints
- data representation
- nonnegative matrix
- principal component analysis
- objective function
- spectral clustering
- original data
- normalized cut
- machine learning
- weighted graph
- document clustering
- data sets