Neural Nonnegative Matrix Factorization for Hierarchical Multilayer Topic Modeling.
M. GaoJamie HaddockDenali MolitorDeanna NeedellE. SadovnikT. WillR. ZhangPublished in: CAMSAP (2019)
Keyphrases
- nonnegative matrix factorization
- topic modeling
- topic models
- matrix factorization
- negative matrix factorization
- collaborative filtering
- latent dirichlet allocation
- latent structure
- data representation
- text classification
- text mining
- least squares
- spectral clustering
- principal component analysis
- document clustering
- text documents
- neural network
- pattern recognition
- objective function
- clustering algorithm
- databases
- semi supervised
- maximum likelihood
- knowledge discovery
- recommender systems
- feature selection
- information retrieval