Constraint-Relaxation Approach for Nonnegative Matrix Factorization: A Case Study.
Jue WangNaiyang GuanXuhui HuangZhigang LuoPublished in: SMC (2015)
Keyphrases
- nonnegative matrix factorization
- constraint relaxation
- constraint satisfaction
- negative matrix factorization
- probabilistic latent semantic indexing
- matrix factorization
- constraint optimization
- data representation
- nonnegative matrix
- principal component analysis
- least squares
- spectral clustering
- document clustering
- original data
- data mining
- sparse representation
- objective function
- reinforcement learning