Named Entity Recognition in Multi-level Contexts Yubo Chen author Chuhan Wu author Tao Qi author Zhigang Yuan author Yongfeng Huang author 2020-12 text Proceedings of the 1st Conference of the Asia-Pacific Chapter of the Association for Computational Linguistics and the 10th International Joint Conference on Natural Language Processing Kam-Fai Wong editor Kevin Knight editor Hua Wu editor Association for Computational Linguistics Suzhou, China conference publication chen-etal-2020-named 10.18653/v1/2020.aacl-main.22 https://aclanthology.org/2020.aacl-main.22/ 2020-12 181 190