Relative error bounds for nonnegative matrix factorization under a geometric assumption.
Zhaoqiang LiuVincent Y. F. TanPublished in: ICASSP (2017)
Keyphrases
- error bounds
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- data representation
- matrix factorization
- negative matrix factorization
- theoretical analysis
- worst case
- least squares
- spectral clustering
- principal component analysis
- nonnegative matrix
- document clustering
- sparsity constraints
- objective function
- feature selection
- collaborative filtering
- recommender systems
- pairwise