Unsupervised Paraphrasing Consistency Training for Low Resource Named Entity Recognition Rui Wang author Ricardo Henao 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 wang-henao-2021-unsupervised 10.18653/v1/2021.emnlp-main.430 https://aclanthology.org/2021.emnlp-main.430/ 2021-11 5303 5308