Hummingbird's Fulcrum SearchServer at TREC-9.
Stephen TomlinsonTom BlackwellPublished in: TREC (2000)
Keyphrases
- information retrieval
- test collection
- retrieval effectiveness
- question answering
- pseudo relevance feedback
- expert search
- biomedical information retrieval
- ad hoc retrieval
- trec web
- information systems
- topic detection and tracking
- query performance prediction
- interactive query expansion
- blog opinion retrieval
- co occurrence
- text mining
- average precision
- search tasks
- machine learning
- reuters corpus volume