JHU/APL at TREC 2005: QA Retrieval and Robust Tracks.
James MayfieldPaul McNameePublished in: TREC (2005)
Keyphrases
- question answering
- information retrieval
- test collection
- relevance feedback
- passage retrieval
- retrieval model
- document retrieval
- retrieval effectiveness
- retrieval systems
- ad hoc retrieval
- image database
- query expansion
- image retrieval
- retrieval method
- average precision
- query formulation
- ad hoc information retrieval
- question answering systems
- trec ad hoc
- document rankings
- trec web
- query performance prediction
- document level
- relevance assessments
- text mining
- moving objects
- keywords