Discourse Relation Sense Classification Systems for CoNLL-2016 Shared Task Ping Jian author Xiaohan She author Chenwei Zhang author Pengcheng Zhang author Jian Feng author 2016-08 text Proceedings of the CoNLL-16 shared task Nianwen Xue editor Association for Computational Linguistics Berlin, Germany conference publication jian-etal-2016-discourse 10.18653/v1/K16-2022 https://aclanthology.org/K16-2022/ 2016-08 158 163