Wei-Nan Zhang author Ting Liu author Bing Qin author Yu Zhang author Wanxiang Che author Yanyan Zhao author Xiao Ding author 2017-07 text Mohit Bansal editor Heng Ji editor Association for Computational Linguistics Vancouver, Canada conference publication zhang-etal-2017-benben https://aclanthology.org/P17-4003/ 2017-07 13 18