Text Feature Selection Based on Class Subspace.
Xiaofei ZhouLi GuoTianyi WangYue HuPublished in: ICDM Workshops (2014)
Keyphrases
- feature selection
- feature space
- dimensionality reduction
- feature extraction
- text retrieval
- text mining
- information retrieval
- test sample
- free text
- principal component analysis
- feature set
- low dimensional
- text classification
- model selection
- text categorization
- lower dimensional
- high dimensional
- mutual information
- web documents
- support vector
- feature subset
- keywords
- information gain
- machine learning