Efficient greedy feature selection for unsupervised learning.
Ahmed K. FarahatAli GhodsiMohamed S. KamelPublished in: Knowl. Inf. Syst. (2013)
Keyphrases
- unsupervised learning
- feature selection
- dimensionality reduction
- feature set
- supervised learning
- forward selection
- mutual information
- text classification
- greedy algorithm
- expectation maximization
- data sets
- knn
- genetic algorithm
- high dimensional
- feature space
- search algorithm
- model selection
- bayesian networks
- computationally efficient
- text categorization
- image processing
- selected features
- feature weighting
- irrelevant features
- locally optimal
- unsupervised feature selection
- supervised and unsupervised learning