Keyphrases
- document clustering
- text clustering
- document collections
- metadata
- information retrieval
- web documents
- information retrieval systems
- text documents
- xml documents
- clustering algorithm
- free text
- relevant documents
- text mining
- multi document summarization
- document classification
- keywords
- information theoretic
- document retrieval
- retrieval systems
- database
- user queries
- document content
- semi supervised
- structured documents
- document set
- multimedia documents
- electronic documents
- nonnegative matrix tri factorization
- categorical data
- document representation
- test collection
- collaborative filtering