IMU Experiment in IR4QA at NTCIR-8.
Xiangdong SuXueliang YanGuanglai GaoHongxi WeiPublished in: NTCIR (2010)
Keyphrases
- ir evaluation
- test collection
- patent retrieval
- information retrieval
- web retrieval
- question answering
- passage retrieval
- retrieval effectiveness
- retrieval model
- evaluation framework
- graded relevance
- query expansion
- relevance assessments
- information retrieval systems
- open domain
- statistical significance
- answer extraction
- prior art
- qa clef
- information access
- open domain question answering
- language model
- query translation
- relevance judgments
- text retrieval
- retrieval systems
- question classification
- web search
- cross lingual information retrieval
- absolute position
- evaluation metrics
- relevant documents
- information extraction
- question answer
- search tasks
- average precision
- document retrieval