Keyphrases
- information retrieval systems
- document collections
- document images
- web documents
- multimedia
- comparative evaluation
- retrieval systems
- document classification
- document content
- information retrieval
- text documents
- databases
- structured documents
- vector space model
- case study
- database
- document clustering
- document retrieval
- digital libraries
- data mining
- document analysis
- document structure
- keyword extraction