Local Topic Discovery via Boosted Ensemble of Nonnegative Matrix Factorization.
Sangho SuhJaegul ChooJoonseok LeeChandan K. ReddyPublished in: IJCAI (2017)
Keyphrases
- nonnegative matrix factorization
- topic discovery
- text analysis
- topic models
- negative matrix factorization
- matrix factorization
- data representation
- latent dirichlet allocation
- text classification
- spectral clustering
- least squares
- neural network
- principal component analysis
- objective function
- document clustering
- original data
- lda model
- feature selection
- data clustering
- pattern recognition
- xml documents
- semi supervised learning
- training data
- data sets
- artificial intelligence
- information retrieval
- machine learning
- co occurrence
- information extraction