Two-Stage Feature Selection with Unsupervised Second Stage.
Ke XuHiromasa AraiCrystal MaungHaim SchweitzerPublished in: ICTAI (2017)
Keyphrases
- feature selection
- unsupervised feature selection
- unsupervised learning
- pointwise mutual information
- feature selection algorithms
- mutual information
- support vector
- text categorization
- dimensionality reduction
- small sample
- supervised and unsupervised learning
- feature space
- semi supervised
- text classification
- classification models
- information gain
- irrelevant features
- feature weighting
- model selection
- method for feature selection
- completely unsupervised
- data sets
- feature extraction
- discriminative features
- unsupervised manner
- microarray data
- bayes classifier
- selected features
- supervised classification
- naive bayes
- supervised learning
- support vector machine
- classification accuracy
- genetic algorithm