Keyphrases
- document frequency
- text categorization
- term frequency
- information gain
- feature selection
- term selection
- document representation
- tf idf
- n gram
- text classification
- retrieved documents
- term weighting
- text documents
- decision trees
- k nearest neighbor
- multiscale
- knn
- image features
- retrieval model
- bag of words
- mutual information
- naive bayes
- image content
- digital libraries
- information retrieval systems
- multimedia