Keyphrases
- text categorization
- wordnet
- feature selection
- external knowledge
- co occurrence
- text documents
- natural language processing
- text classification
- word sense disambiguation
- automated text categorization
- semantic relations
- semantic information
- semantic relatedness
- information gain
- semantic similarity
- k nearest neighbor
- text collections
- knn
- semantic features
- knowledge base
- feature selections
- semi supervised learning
- feature set
- keywords
- bag of words
- cross language
- dimensionality reduction
- text classifiers
- feature extraction
- text clustering
- document frequency
- machine learning
- data mining