Keyphrases
- feature selection
- sparse pca
- web image annotation
- text categorization
- mutual information
- high dimension
- sparse data
- feature selection algorithms
- high dimensional
- classification accuracy
- feature set
- machine learning
- text classification
- small sample
- feature extraction
- unsupervised feature selection
- neural network
- naive bayes
- high dimensionality
- redundant features
- microarray data
- information gain
- feature subset
- support vector
- model selection
- feature space
- dimension reduction
- unsupervised learning
- selected features
- bayesian networks
- canonical correlation analysis
- multi class
- support vector machine
- probabilistic model
- support vector classification
- conditional mutual information
- active learning