Keyphrases
- image database
- text retrieval
- similarity matching
- document retrieval
- retrieval systems
- information retrieval
- query expansion
- test collection
- retrieval model
- efficient retrieval
- image retrieval
- content based retrieval
- multimedia retrieval
- semantic content
- retrieval accuracy
- retrieval method
- information retrieval systems
- average precision
- multimedia databases
- databases
- information systems
- website
- multimedia information
- automatic indexing