A Frustratingly Easy Approach for Entity and Relation Extraction Zexuan Zhong author Danqi Chen 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 zhong-chen-2021-frustratingly 10.18653/v1/2021.naacl-main.5 https://aclanthology.org/2021.naacl-main.5/ 2021-06 50 61