Imbalanced text classification: A term weighting approach.
Ying LiuHan Tong LohAixin SunPublished in: Expert Syst. Appl. (2009)
Keyphrases
- probabilistic model
- term weighting
- text classification
- text categorization
- language modeling
- term frequency
- language model
- text mining
- bag of words
- feature selection
- inverse document frequency
- labeled data
- naive bayes
- text documents
- information retrieval
- text data
- tf idf
- machine learning
- knn
- n gram
- text retrieval
- k nearest neighbor
- retrieval systems
- unlabeled data
- query expansion
- vector space model