Keyphrases
- image database
- efficient retrieval
- information retrieval systems
- multimedia databases
- retrieval systems
- worst case
- information retrieval
- decision problems
- website
- computational complexity
- test collection
- query expansion
- retrieval method
- text retrieval
- retrieval strategies
- query formulation
- complexity analysis
- retrieval accuracy
- database
- retrieval model
- document retrieval
- relevance feedback
- case study
- information systems
- learning algorithm
- neural network
- real time