Learning a Unified Named Entity Tagger from Multiple Partially Annotated Corpora for Efficient Adaptation Xiao Huang author Li Dong author Elizabeth Boschee author Nanyun Peng author 2019-11 text Proceedings of the 23rd Conference on Computational Natural Language Learning (CoNLL) Mohit Bansal editor Aline Villavicencio editor Association for Computational Linguistics Hong Kong, China conference publication huang-etal-2019-learning 10.18653/v1/K19-1048 https://aclanthology.org/K19-1048/ 2019-11 515 527