Nonnegative Matrix Factorization and Probabilistic Latent Semantic Indexing: Equivalence Chi-Square Statistic, and a Hybrid Method.
Chris H. Q. DingTao LiWei PengPublished in: AAAI (2006)
Keyphrases
- probabilistic latent semantic indexing
- hybrid method
- nonnegative matrix factorization
- data representation
- matrix factorization
- negative matrix factorization
- least squares
- principal component analysis
- hybrid algorithm
- support vector machine
- objective function
- spectral clustering
- document clustering
- text classification
- original data
- digital libraries
- pattern recognition
- data sets
- collaborative filtering
- learning algorithm
- neural network