Overview of NTCIR-8 ACLIA IR4QA.
Tetsuya SakaiHideki ShimaNoriko KandoRuihua SongChuan-Jie LinTeruko MitamuraMiho SugimotoCheng-Wei LeePublished in: NTCIR (2010)
Keyphrases
- ir evaluation
- patent retrieval
- information retrieval
- question answering
- test collection
- web retrieval
- passage retrieval
- graded relevance
- evaluation framework
- retrieval effectiveness
- query expansion
- retrieval model
- relevance assessments
- open domain question answering
- information retrieval systems
- open domain
- question classification
- text retrieval
- evaluation metrics
- patent documents
- answer extraction
- qa clef
- statistical significance
- language model
- relevance feedback
- distributed information retrieval
- information seeking
- search tasks
- information access
- evaluation measures
- ranking algorithm
- document retrieval
- natural language processing
- information extraction
- natural language