PDALN: Progressive Domain Adaptation over a Pre-trained Model for Low-Resource Cross-Domain Named Entity Recognition Tao Zhang author Congying Xia author Philip S Yu author Zhiwei Liu author Shu Zhao 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 zhang-etal-2021-pdaln 10.18653/v1/2021.emnlp-main.442 https://aclanthology.org/2021.emnlp-main.442/ 2021-11 5441 5451