Keyphrases
- relevance feedback
- document retrieval
- image retrieval
- feature weighting
- information retrieval
- active learning
- information retrieval systems
- image search
- query expansion
- retrieval model
- user feedback
- low level features
- retrieval process
- pseudo relevance feedback
- relevant documents
- feedback information
- retrieval framework
- initial query
- machine learning
- negative feedback
- data sets
- user system interaction
- query refinement
- retrieval effectiveness
- feature extraction
- genetic algorithm
- data mining