Keyphrases
- feature selection
- text categorization
- mutual information
- irrelevant features
- feature space
- information gain
- machine learning
- feature selection algorithms
- multi class
- feature set
- model selection
- feature selection and classification
- forward selection
- support vector machine
- feature extraction
- text classification
- dimensionality reduction
- support vector
- feature weighting
- topology preserving
- topological properties
- small sample
- bayes classifier
- unsupervised feature selection
- pointwise mutual information
- conditional mutual information
- data mining
- geometric objects
- classification models
- feature subset
- naive bayes
- evolutionary algorithm