A unified statistical approach to non-negative matrix factorization and probabilistic latent semantic indexing.
Karthik DevarajanGuoli WangNader EbrahimiPublished in: Mach. Learn. (2015)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- negative matrix factorization
- matrix factorization
- sparse representation
- principal component analysis
- document clustering
- spectral clustering
- knowledge base
- natural language processing
- co occurrence
- clustering method
- latent dirichlet allocation
- data representation