MEGA RST Discourse Treebanks with Structure and Nuclearity from Scalable Distant Sentiment Supervision Patrick Huber author Giuseppe Carenini author 2020-11 text Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP) Bonnie Webber editor Trevor Cohn editor Yulan He editor Yang Liu editor Association for Computational Linguistics Online conference publication huber-carenini-2020-mega 10.18653/v1/2020.emnlp-main.603 https://aclanthology.org/2020.emnlp-main.603/ 2020-11 7442 7457