Keyphrases
- topic modeling
- negative matrix factorization
- probabilistic latent semantic analysis
- topic models
- nonnegative matrix factorization
- latent dirichlet allocation
- text mining
- text classification
- document clustering
- scientific articles
- topic extraction
- modeling framework
- collaborative filtering
- text documents
- latent semantic analysis
- matrix factorization
- text corpora
- feature selection
- generative model
- latent topics
- spectral clustering
- natural language processing
- knowledge discovery
- hierarchical bayesian model
- bayesian networks