De-biasing Distantly Supervised Named Entity Recognition via Causal Intervention Wenkai Zhang author Hongyu Lin author Xianpei Han author Le Sun author 2021-08 text Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers) Chengqing Zong editor Fei Xia editor Wenjie Li editor Roberto Navigli editor Association for Computational Linguistics Online conference publication zhang-etal-2021-de 10.18653/v1/2021.acl-long.371 https://aclanthology.org/2021.acl-long.371/ 2021-08 4803 4813