DC Programming and DCA for Nonnegative Matrix Factorization.
Le Thi Hoai AnTao Pham DinhXuan Thanh VoPublished in: ICCCI (2014)
Keyphrases
- nonnegative matrix factorization
- dc programming
- convex functions
- exact penalty
- negative matrix factorization
- packing problem
- matrix factorization
- least squares
- data representation
- objective function
- principal component analysis
- spectral clustering
- cutting plane
- original data
- document clustering
- data sets
- text mining
- constrained minimization
- missing data
- duality gap
- similarity measure