Keyphrases
- text classification
- unsupervised learning
- bag of words
- text categorization
- machine learning
- topic discovery
- feature selection
- text data
- naive bayes
- text mining
- text documents
- labeled data
- sentiment analysis
- document classification
- n gram
- knn
- semi supervised
- supervised learning
- language modeling
- semantic features
- text classifiers
- unsupervised manner
- data sets
- data driven
- knowledge discovery
- knowledge representation
- databases
- database
- data warehouse
- image retrieval
- keywords
- neural network
- data cleaning
- feature reduction
- agglomerative clustering
- text classification tasks