Learning to Collaborate for Question Answering and Asking Duyu Tang author Nan Duan author Zhao Yan author Zhirui Zhang author Yibo Sun author Shujie Liu author Yuanhua Lv author Ming Zhou author 2018-06 text Proceedings of the 2018 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long Papers) Marilyn Walker editor Heng Ji editor Amanda Stent editor Association for Computational Linguistics New Orleans, Louisiana conference publication tang-etal-2018-learning 10.18653/v1/N18-1141 https://aclanthology.org/N18-1141/ 2018-06 1564 1574