Keyphrases
- text representation
- concept learning
- information filtering
- text documents
- text classification
- text retrieval
- text categorization
- bag of words
- index terms
- text mining
- keywords
- document clustering
- vector space model
- document representation
- text clustering
- machine learning
- cluster analysis
- word sense disambiguation
- object recognition
- named entities
- information retrieval systems
- latent semantic analysis
- knn
- digital libraries
- feature extraction