Exact Top-k Feature Selection via l2, 0-Norm Constraint.
Xiao CaiFeiping NieHeng HuangPublished in: IJCAI (2013)
Keyphrases
- feature selection
- text categorization
- query processing
- feature space
- mutual information
- feature set
- multi class
- support vector
- discriminative features
- feature selection algorithms
- model selection
- machine learning
- information gain
- feature extraction
- objective function
- decision trees
- user defined
- feature vectors
- multi task
- selected features
- knn
- linear constraints
- feature ranking
- small sample
- exact and approximate