Keyphrases
- text classification
- tf idf
- term frequency inverse document frequency
- text categorization
- text documents
- term frequency
- bag of words
- term weighting
- text mining
- n gram
- information retrieval
- feature selection
- labeled data
- information retrieval systems
- document clustering
- vector space model
- similarity measure
- machine learning
- feature extraction
- text data
- co occurrence
- active learning