TY - Journal of Beijing University of Posts and Telecommunications A1 - WANG Peng-hui, LI Ming-zheng, LI Si T1 - Data Augmentation for Chinese Clinical Named Entity Recognition Y1 - 2021-03-11 00:00:00.0 JF - Journal of Beijing University of Posts and Telecommunications JO - Journal of Beijing University of Posts and Telecommunications SP - 84 EP - 90 VL - 43 IS - 5 UR - {https://journal.bupt.edu.cn/EN/10.13190/j.jbupt.2020-032} N1 - 10.13190/j.jbupt.2020-032 ER -