Feature extraction based on information gain and sequential pattern for English question classification.
Yaqing LiuXiaokai YiRong ChenZhengguo ZhaiJingxuan GuPublished in: IET Softw. (2018)
Keyphrases
- information gain
- question classification
- sequential patterns
- feature extraction
- feature selection
- feature weighting
- question answering
- text categorization
- sequential pattern mining
- decision trees
- natural language
- question answering systems
- mutual information
- multi dimensional
- frequent patterns
- pattern mining
- image classification
- text classification
- feature vectors
- image processing
- cross lingual
- naive bayes
- pattern growth
- machine learning
- feature set
- feature space
- correlation coefficient
- dimensionality reduction
- classification accuracy
- face recognition
- support vector