Keyphrases
- efficient retrieval
- information retrieval
- utility function
- information retrieval systems
- image database
- estimation accuracy
- relevance feedback
- user preferences
- retrieval systems
- retrieval accuracy
- similarity matching
- content based retrieval
- multimedia databases
- text retrieval
- image retrieval
- test collection
- query expansion
- document retrieval
- retrieval method
- neural network
- accurate estimation