%0 Conference Proceedings %T PDALN: Progressive Domain Adaptation over a Pre-trained Model for Low-Resource Cross-Domain Named Entity Recognition %A Zhang, Tao %A Xia, Congying %A Yu, Philip S. %A Liu, Zhiwei %A Zhao, Shu %Y Moens, Marie-Francine %Y Huang, Xuanjing %Y Specia, Lucia %Y Yih, Scott Wen-tau %S Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing %D 2021 %8 November %I Association for Computational Linguistics %C Online and Punta Cana, Dominican Republic %F zhang-etal-2021-pdaln %R 10.18653/v1/2021.emnlp-main.442 %U https://aclanthology.org/2021.emnlp-main.442/ %U https://doi.org/10.18653/v1/2021.emnlp-main.442 %P 5441-5451