NAIST QA System for QAC2.
Tetsuro TakahashiKozo NawataKentaro InuiYuji MatsumotoPublished in: NTCIR (2004)
Keyphrases
- question answering
- question answering systems
- question classification
- qa clef
- natural language processing
- information retrieval
- open domain
- natural language
- question answer
- open domain question answering
- passage retrieval
- qa systems
- cross language
- answer extraction
- probabilistic model
- information extraction
- answer validation
- feature selection
- search engine
- database
- interactive question answering
- syntactic information
- semantic roles
- expert systems
- high level
- image processing
- computer vision
- data sets