Keyphrases
- database
- information retrieval
- image database
- small number
- databases
- indexing techniques
- multiple versions
- efficient retrieval
- retrieval model
- document retrieval
- query expansion
- information retrieval systems
- relevance feedback
- artificial intelligence
- test collection
- text retrieval
- content based retrieval
- retrieval method
- retrieval process
- query formulation
- structured documents
- website
- retrieval framework
- similarity matching