GumDrop at the DISRPT2019 Shared Task: A Model Stacking Approach to Discourse Unit Segmentation and Connective Detection Yue Yu author Yilun Zhu author Yang Liu author Yan Liu author Siyao Peng author Mackenzie Gong author Amir Zeldes author 2019-06 text Proceedings of the Workshop on Discourse Relation Parsing and Treebanking 2019 Amir Zeldes editor Debopam Das editor Erick Maziero Galani editor Juliano Desiderato Antonio editor Mikel Iruskieta editor Association for Computational Linguistics Minneapolis, MN conference publication yu-etal-2019-gumdrop 10.18653/v1/W19-2717 https://aclanthology.org/W19-2717/ 2019-06 133 143