No Answer is Better Than Wrong Answer: A Reflection Model for Document Level Machine Reading Comprehension Xuguang Wang author Linjun Shou author Ming Gong author Nan Duan author Daxin Jiang author 2020-11 text Findings of the Association for Computational Linguistics: EMNLP 2020 Trevor Cohn editor Yulan He editor Yang Liu editor Association for Computational Linguistics Online conference publication wang-etal-2020-answer-better 10.18653/v1/2020.findings-emnlp.370 https://aclanthology.org/2020.findings-emnlp.370/ 2020-11 4141 4150