Keyphrases
- document collections
- information retrieval systems
- digital libraries
- information retrieval
- document classification
- metadata
- text documents
- web documents
- digital library systems
- free text
- document retrieval
- relevant documents
- xml documents
- database
- legal documents
- document clustering
- multimedia documents
- vector space model
- electronic documents
- document analysis
- text analysis
- keywords
- ranked list
- web data
- vector space
- text categorization
- semantic relationships
- multimedia
- expert finding
- information extraction