Keyphrases
- document collections
- web documents
- xml documents
- information retrieval
- document clustering
- information retrieval systems
- legal documents
- text analysis
- vector space model
- document structure
- document classification
- document retrieval
- text documents
- metadata
- relational databases
- document representation
- feature selection
- document analysis
- highly relevant
- data sets
- free text
- semantic information
- expert finding
- document content
- digital documents
- query expansion