Contextualized and Generalized Sentence Representations by Contrastive Self-Supervised Learning: A Case Study on Discourse Relation Analysis Hirokazu Kiyomaru author Sadao Kurohashi author 2021-06 text Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Kristina Toutanova editor Anna Rumshisky editor Luke Zettlemoyer editor Dilek Hakkani-Tur editor Iz Beltagy editor Steven Bethard editor Ryan Cotterell editor Tanmoy Chakraborty editor Yichao Zhou editor Association for Computational Linguistics Online conference publication kiyomaru-kurohashi-2021-contextualized 10.18653/v1/2021.naacl-main.442 https://aclanthology.org/2021.naacl-main.442/ 2021-06 5578 5584