Biomedical Concept Normalization by Leveraging Hypernyms Cheng Yan author Yuanzhe Zhang author Kang Liu author Jun Zhao author Yafei Shi author Shengping Liu 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 yan-etal-2021-biomedical 10.18653/v1/2021.emnlp-main.284 https://aclanthology.org/2021.emnlp-main.284/ 2021-11 3512 3517