UmlsBERT: Clinical Domain Knowledge Augmentation of Contextual Embeddings Using the Unified Medical Language System Metathesaurus George Michalopoulos author Yuanxin Wang author Hussam Kaka author Helen Chen author Alexander Wong 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 michalopoulos-etal-2021-umlsbert 10.18653/v1/2021.naacl-main.139 https://aclanthology.org/2021.naacl-main.139/ 2021-06 1744 1753