Keyphrases
- information retrieval
- image retrieval
- query expansion
- document retrieval
- image database
- retrieval model
- efficient indexing
- automatic indexing
- multimedia retrieval
- information retrieval systems
- test collection
- content based indexing
- retrieval accuracy
- structured documents
- storage and retrieval
- query formulation
- content based retrieval
- web search
- case based reasoning
- relevance feedback
- active learning
- preprocessing
- website