Keyphrases
- feature selection
- feature ranking
- text categorization
- ranking algorithm
- mutual information
- ranking functions
- support vector
- learning to rank
- feature set
- text classification
- feature space
- multi class
- web search
- classification accuracy
- classification models
- unsupervised learning
- dimensionality reduction
- machine learning
- support vector machine
- information gain
- small sample
- forward selection
- information retrieval systems
- ranked list
- multi task
- link analysis
- feature selection algorithms
- knn
- accurate classification
- irrelevant features
- individual features