Keyphrases
- document retrieval
- test collection
- efficient retrieval
- image database
- relevance feedback
- retrieval model
- multimedia retrieval
- retrieval accuracy
- query expansion
- preprocessing phase
- databases
- learning phase
- retrieval method
- content based retrieval
- indexing techniques
- text retrieval
- information retrieval systems
- image data
- digital libraries
- website
- genetic algorithm