Keyphrases
- text classification
- text categorization
- text mining
- bag of words
- machine learning
- naive bayes
- feature selection
- sentiment analysis
- text data
- text documents
- nonmonotonic reasoning
- n gram
- answering queries
- query answering
- labeled data
- knn
- document classification
- text classifiers
- database systems
- data cleaning
- database
- semi supervised learning
- semantic features
- data mining