Keyphrases
- document clustering
- text mining
- document collections
- clustering method
- text documents
- clustering algorithm
- document similarity
- negative matrix factorization
- document clusters
- topic detection
- vector space model
- document representation
- tolerance rough set
- clustering approaches
- cluster analysis
- pairwise constraints
- topic extraction
- information extraction
- k means
- data mining
- information retrieval systems
- search engine
- ant based clustering