Keyphrases
- metadata
- information retrieval
- document collections
- high quality
- vector space model
- artificial intelligence
- document classification
- document clustering
- relevant documents
- text documents
- databases
- information retrieval systems
- web documents
- xml documents
- ranked list
- textual content
- legal documents
- image retrieval
- keywords
- widely accepted
- multimedia documents
- document content
- retrieval model
- web services
- socio economic
- digital documents