PERQ: Predicting, Explaining, and Rectifying Failed Questions in KB-QA Systems.
Zhiyong WuBen KaoTien-Hsuan WuPengcheng YinQun LiuPublished in: WSDM (2020)
Keyphrases
- qa systems
- question answering
- correct answers
- evaluation methodology
- answer validation
- candidate answers
- knowledge base
- question answering systems
- answer extraction
- cross language
- information retrieval
- passage retrieval
- information extraction
- semantic role labeling
- natural language processing
- named entities
- natural language
- qa clef
- test set
- syntactic information