Meaningful term extraction and discriminative term selection in text categorization via unknown-word methodology.
Yu-Sheng LaiChung-Hsien WuPublished in: ACM Trans. Asian Lang. Inf. Process. (2002)
Keyphrases
- text categorization
- term selection
- feature selection
- text classification
- knn
- document frequency
- text documents
- k nearest neighbor
- query expansion
- semi supervised learning
- naive bayes
- semi supervised
- unsupervised learning
- tf idf
- text collections
- feature extraction
- text classifiers
- information retrieval
- data mining
- unlabeled data
- classification accuracy
- text data
- term frequency
- part of speech
- learning algorithm