Keyphrases
- text clustering
- text mining
- natural language processing
- document clustering
- free text
- clustering algorithm
- background knowledge
- hierarchical clustering
- wordnet
- text data
- text categorization
- named entity recognition
- k means
- user feedback
- text documents
- text collections
- self organizing maps
- information extraction
- information retrieval
- metric learning
- named entities
- semantic information
- data clustering
- clustering method
- text classification
- probabilistic model
- prior knowledge
- co occurrence
- semi supervised
- domain knowledge
- data mining