Keyphrases
- classification systems
- feature selection
- text categorization
- hierarchical text classification
- feature extraction
- support vector
- information gain
- feature space
- method for feature selection
- selected features
- machine learning
- feature selection algorithms
- classification models
- text classification tasks
- feature set
- mutual information
- feature subset
- unsupervised feature selection
- irrelevant features
- model selection
- dimensionality reduction
- multi class
- support vector machine
- naive bayes
- genetic algorithm
- text classification
- image classification
- discriminative features
- feature selection and classification
- knn
- conditional mutual information
- data sets