Self Question-answering: Aspect-based Sentiment Analysis by Role Flipped Machine Reading Comprehension Guoxin Yu author Jiwei Li author Ling Luo author Yuxian Meng author Xiang Ao author Qing He author 2021-11 text Findings of the Association for Computational Linguistics: EMNLP 2021 Marie-Francine Moens editor Xuanjing Huang editor Lucia Specia editor Scott Wen-tau Yih editor Association for Computational Linguistics Punta Cana, Dominican Republic conference publication yu-etal-2021-self-question-answering 10.18653/v1/2021.findings-emnlp.115 https://aclanthology.org/2021.findings-emnlp.115/ 2021-11 1331 1342