Towards Answer-unaware Conversational Question Generation Mao Nakanishi author Tetsunori Kobayashi author Yoshihiko Hayashi author 2019-11 text Proceedings of the 2nd Workshop on Machine Reading for Question Answering Adam Fisch editor Alon Talmor editor Robin Jia editor Minjoon Seo editor Eunsol Choi editor Danqi Chen editor Association for Computational Linguistics Hong Kong, China conference publication nakanishi-etal-2019-towards 10.18653/v1/D19-5809 https://aclanthology.org/D19-5809/ 2019-11 63 71