Keyphrases
- knowledge extraction
- textual documents
- knowledge discovery
- document collections
- information retrieval systems
- data mining
- text documents
- medical databases
- document retrieval
- systems engineering
- keywords
- document analysis
- xml documents
- document classification
- web documents
- information retrieval
- multimedia documents
- document clustering
- relevant documents
- free text
- association rules
- multi document summarization
- database
- retrieval systems
- text mining
- legal documents