MapRE: An Effective Semantic Mapping Approach for Low-resource Relation Extraction Manqing Dong author Chunguang Pan author Zhipeng Luo 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 dong-etal-2021-mapre 10.18653/v1/2021.emnlp-main.212 https://aclanthology.org/2021.emnlp-main.212/ 2021-11 2694 2704