NTCIR-7 ACLIA IR4QA Results based on Qrels Version 2.
Tetsuya SakaiNoriko KandoChuan-Jie LinRuihua SongHideki ShimaTeruko MitamuraPublished in: NTCIR (2008)
Keyphrases
- ir evaluation
- information retrieval
- question answering
- test collection
- patent retrieval
- web retrieval
- information retrieval systems
- evaluation framework
- passage retrieval
- retrieval effectiveness
- graded relevance
- query expansion
- text retrieval
- retrieval model
- document collections
- relevance assessments
- document retrieval
- open domain
- qa clef
- question classification
- question answer
- english chinese
- relevance feedback