Keyphrases
- document clustering
- text documents
- text clustering
- text mining
- preprocessing
- automatic categorization
- document categorization
- topic detection
- tf idf
- clustering algorithm
- document representation
- negative matrix factorization
- document corpus
- document collections
- clustering method
- text data
- text analysis
- related documents
- document clusters
- keywords
- vector space model
- knowledge discovery
- text categorization
- information extraction
- tolerance rough set
- text retrieval
- text classification
- ant based clustering
- text collections
- automatic summarization
- web documents
- data mining
- information retrieval systems
- named entities
- pairwise constraints
- natural language processing
- association rules
- topic models
- feature extraction
- feature selection
- artificial intelligence
- document classification