Keyphrases
- relevance feedback
- query refinement
- retrieval process
- feedback information
- image retrieval
- query language
- relevance judgements
- query processing
- relevance judgments
- information retrieval systems
- probabilistic retrieval model
- range queries
- retrieval systems
- response time
- web search engines
- initial query
- retrieved images
- query evaluation
- relevant images
- complex queries
- search sessions
- efficient processing
- information retrieval
- user queries
- web retrieval
- query formulation
- database queries
- feature weighting
- query expansion
- web search
- visual features
- image search
- active learning
- retrieval model
- test collection