Multitask Semi-Supervised Learning for Class-Imbalanced Discourse Classification Alexander Spangher author Jonathan May author Sz-Rung Shiang author Lingjia Deng author 2021-11 text Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing Marie-Francine Moens editor Xuanjing Huang editor Lucia Specia editor Scott Wen-tau Yih editor Association for Computational Linguistics Online and Punta Cana, Dominican Republic conference publication spangher-etal-2021-multitask 10.18653/v1/2021.emnlp-main.40 https://aclanthology.org/2021.emnlp-main.40/ 2021-11 498 517