Keyphrases
- feature selection
- mutual information
- feature selection algorithms
- text categorization
- feature set
- support vector machine
- model selection
- classification accuracy
- text classification
- feature extraction
- feature space
- irrelevant features
- multi class
- machine learning
- information gain
- neural network
- dimensionality reduction
- selected features
- support vector
- image gradient
- unsupervised learning
- dimension reduction
- cross validation
- decision trees
- gene expression data
- high dimensionality
- multi task
- least squares
- discriminative features
- training data
- gradient method
- unsupervised feature selection
- redundant features
- method for feature selection