Keyphrases
- text documents
- text classification
- document classification
- text mining
- text categorization
- information extraction
- bag of words
- automatic text categorization
- text data
- document clustering
- topic models
- image classification
- text collections
- classification accuracy
- text clustering
- feature selection
- decision trees
- natural language processing
- artificial intelligence
- feature extraction
- keywords
- classification algorithm
- class labels
- feature vectors
- unsupervised learning
- machine learning
- support vector machine
- supervised learning
- feature space
- search engine
- training documents
- information retrieval