@inproceedings{zeng-etal-2020-counterfactual, title = "Counterfactual Generator: A Weakly-Supervised Method for Named Entity Recognition", author = "Zeng, Xiangji and Li, Yunliang and Zhai, Yuchen and Zhang, Yin", editor = "Webber, Bonnie and Cohn, Trevor and He, Yulan and Liu, Yang", booktitle = "Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP)", month = nov, year = "2020", address = "Online", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/2020.emnlp-main.590/", doi = "10.18653/v1/2020.emnlp-main.590", pages = "7270--7280" }