Know What I don’t Know: Handling Ambiguous and Unknown Questions for Text-to-SQL Bing Wang author Yan Gao author Zhoujun Li author Jian-Guang Lou author 2023-07 text Findings of the Association for Computational Linguistics: ACL 2023 Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication wang-etal-2023-know 10.18653/v1/2023.findings-acl.352 https://aclanthology.org/2023.findings-acl.352/ 2023-07 5701 5714