Reasoning over Hierarchical Question Decomposition Tree for Explainable Question Answering.
Jiajie ZhangShulin CaoTingjian ZhangXin LvJuanzi LiLei HouJiaxin ShiQi TianPublished in: ACL (1) (2023)
Keyphrases
- question answering
- answering questions
- question classification
- qa clef
- question answering systems
- answer extraction
- natural language questions
- qa systems
- candidate answers
- answer validation
- open domain question answering
- natural language
- information retrieval
- tree structure
- question answer pairs
- natural language processing
- sentence retrieval
- information extraction
- syntactic information
- semantic roles
- tree structures
- cross language
- tree kernels
- passage retrieval
- relation extraction
- production rules
- sql queries
- search engine