Keyphrases
- information retrieval
- image database
- information retrieval systems
- similarity matching
- efficient retrieval
- test collection
- retrieval model
- databases
- multimedia information
- retrieval accuracy
- structured documents
- multimedia databases
- data structure
- average precision
- query formulation
- document retrieval
- query expansion
- multimedia retrieval
- data mining
- retrieval framework
- database
- retrieval engine