Keyphrases
- text clustering
- spam detection
- text mining
- document clustering
- text categorization
- clustering algorithm
- background knowledge
- hierarchical clustering
- text data
- user feedback
- k means
- text documents
- wordnet
- spam filtering
- self organizing maps
- metric learning
- fraud detection
- machine learning
- text classification
- text collections
- document representation
- semantic relations
- natural language processing
- document collections
- co occurrence