Keyphrases
- information retrieval
- test collection
- question answering
- retrieval effectiveness
- blog opinion retrieval
- pseudo relevance feedback
- relevance feedback
- expert search
- biomedical information retrieval
- evaluation campaigns
- case study
- data mining
- ir evaluation
- information retrieval systems
- web pages
- average precision
- neural network
- relevance assessments
- trec blog track
- databases