HyperExpan: Taxonomy Expansion with Hyperbolic Representation Learning Mingyu Derek Ma author Muhao Chen author Te-Lin Wu author Nanyun Peng author 2021-11 text Findings of the Association for Computational Linguistics: EMNLP 2021 Marie-Francine Moens editor Xuanjing Huang editor Lucia Specia editor Scott Wen-tau Yih editor Association for Computational Linguistics Punta Cana, Dominican Republic conference publication ma-etal-2021-hyperexpan-taxonomy 10.18653/v1/2021.findings-emnlp.353 https://aclanthology.org/2021.findings-emnlp.353/ 2021-11 4182 4194