Keyphrases
- information retrieval
- test collection
- question answering
- retrieval effectiveness
- biomedical information retrieval
- pseudo relevance feedback
- ad hoc retrieval
- relevance judgements
- relevance judgments
- evaluation campaigns
- query performance prediction
- ir evaluation
- expert search
- similarity measure
- average precision
- weighting schemes
- question answering systems
- neural network
- document collections
- decision trees
- website
- information systems
- data mining