Contextual feature selection for text classification.
François ParadisJian-Yun NiePublished in: Inf. Process. Manag. (2007)
Keyphrases
- text classification
- feature selection
- text categorization
- contextual information
- web page classification
- bag of words
- feature weighting
- text classifiers
- naive bayes
- knn
- text documents
- multi label
- classification accuracy
- labeled data
- text mining
- unlabeled data
- semantic features
- irrelevant features
- text data
- mutual information
- feature set
- feature engineering
- sentiment analysis
- data cleaning
- n gram
- information gain
- machine learning
- k nearest neighbor
- multi class
- unsupervised learning
- model selection
- bayes classifier
- support vector
- support vector machine
- distributional clustering
- context sensitive
- feature extraction