A Survey of Approaches to Automatic Question Generation:from 2019 to Early 2021 Chao-Yi Lu author Sin-En Lu author 2021-10 text Proceedings of the 33rd Conference on Computational Linguistics and Speech Processing (ROCLING 2021) Lung-Hao Lee editor Chia-Hui Chang editor Kuan-Yu Chen editor The Association for Computational Linguistics and Chinese Language Processing (ACLCLP) Taoyuan, Taiwan conference publication lu-lu-2021-survey https://aclanthology.org/2021.rocling-1.21/ 2021-10 151 162