A Discourse Signal Annotation System for RST Trees Luke Gessler author Yang Liu 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 gessler-etal-2019-discourse 10.18653/v1/W19-2708 https://aclanthology.org/W19-2708/ 2019-06 56 61