Keyphrases
- neural network
- feature selection
- decision trees
- feature subset
- text categorization
- feature set
- feature extraction
- classification accuracy
- text classification
- mutual information
- least squares
- tree models
- model selection
- selected features
- discriminative features
- feature space
- tree structure
- machine learning
- feature selection algorithms
- small sample
- tree structures
- classification models
- unsupervised feature selection
- tree nodes
- total least squares
- labeled trees
- unsupervised learning
- irrelevant features
- high dimensionality
- dimensionality reduction
- multi class
- training set
- data mining