Keyphrases
- image database
- image retrieval
- relevance feedback
- document retrieval
- test collection
- retrieval systems
- information retrieval
- retrieval method
- information retrieval systems
- query expansion
- content based retrieval
- semantic content
- text retrieval
- learning phase
- multimedia retrieval
- retrieval framework
- image description
- similarity matching
- preprocessing phase
- content based indexing
- efficient retrieval
- structured documents
- average precision
- retrieval model
- co occurrence
- web search
- expert systems
- keywords