Keyphrases
- evaluation campaigns
- information retrieval
- test collection
- question answering
- retrieval effectiveness
- relevance feedback
- weighting schemes
- blog opinion retrieval
- data sets
- reuters corpus volume
- biomedical information retrieval
- expert search
- ad hoc retrieval
- relevance judgments
- pseudo relevance feedback
- document retrieval
- case study
- topic detection and tracking
- website
- social networks
- trec web
- machine learning
- databases