Okapi at TREC.
Stephen E. RobertsonSteve WalkerMicheline Hancock-BeaulieuAarron GullMarianna LauPublished in: TREC (1992)
Keyphrases
- retrieval effectiveness
- information retrieval
- test collection
- document retrieval
- information retrieval systems
- pseudo relevance feedback
- question answering
- relevance feedback
- expert search
- ad hoc retrieval
- query expansion
- relevant documents
- relevance judgments
- average precision
- language model
- biomedical information retrieval
- retrieval model
- latent semantic indexing
- relevance assessments
- blog opinion retrieval
- trec web
- machine learning
- ir evaluation
- keywords
- trec blog track
- neural network