Uncovering Main Causalities for Long-tailed Information Extraction Guoshun Nan author Jiaqi Zeng author Rui Qiao author Zhijiang Guo author Wei Lu 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 nan-etal-2021-uncovering 10.18653/v1/2021.emnlp-main.763 https://aclanthology.org/2021.emnlp-main.763/ 2021-11 9683 9695