CLDA: Feature Selection for Text Categorization Based on Constrained LDA.
Zifeng CuiBaowen XuWeifeng ZhangJiang DaweiJunling XuPublished in: ICSC (2007)
Keyphrases
- feature selection for text categorization
- linear discriminant analysis
- latent dirichlet allocation
- topic models
- face recognition
- text categorization
- principal component analysis
- topic modeling
- discriminant analysis
- information gain
- dimension reduction
- topic discovery
- feature extraction
- support vector machine
- optimization method
- feature space
- generative model
- co occurrence
- subspace methods
- discriminating power
- subspace analysis
- training set