Single-/Multi-Source Cross-Lingual NER via Teacher-Student Learning on Unlabeled Data in Target Language Qianhui Wu author Zijia Lin author Börje F Karlsson author Jian-Guang Lou author Biqing Huang author 2020-07 text Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics Dan Jurafsky editor Joyce Chai editor Natalie Schluter editor Joel Tetreault editor Association for Computational Linguistics Online conference publication wu-etal-2020-single 10.18653/v1/2020.acl-main.581 https://aclanthology.org/2020.acl-main.581/ 2020-07 6505 6514