Keyphrases
- relevance feedback
- pseudo relevance feedback
- retrieval effectiveness
- relevance judgments
- query expansion
- image retrieval
- information retrieval
- information retrieval systems
- relevance judgements
- clef ip
- patent retrieval
- image search
- user feedback
- document retrieval
- relevant documents
- retrieval model
- active learning
- retrieval process
- retrieval accuracy
- question answering
- retrieval framework
- retrieved documents
- negative feedback
- language model
- relevance model
- low level features
- test collection
- feedback information
- cbir systems
- average precision
- probabilistic retrieval model