Keyphrases
- iris recognition
- test collection
- information retrieval
- question answering
- iris images
- retrieval effectiveness
- blog opinion retrieval
- trec web
- ad hoc retrieval
- ir evaluation
- pseudo relevance feedback
- iris biometrics
- expert search
- image acquisition
- iris localization
- biomedical information retrieval
- relevance assessments
- relevance feedback
- search engine
- topic detection and tracking
- average precision
- retrieval model
- query expansion
- iris texture