Keyphrases
- test collection
- information retrieval
- retrieval effectiveness
- question answering
- ad hoc retrieval
- evaluation campaigns
- pseudo relevance feedback
- trec blog track
- reuters corpus volume
- ir evaluation
- relevance judgments
- information retrieval systems
- databases
- average precision
- language model
- text mining
- natural language processing
- relevance feedback
- biomedical information retrieval
- active learning
- feature selection