TY - Journal of Beijing University of Posts and Telecommunications A1 - AI Xin-bo, GUO Yan-jun, XIE Yun-hao, CHEN Cheng T1 - Structural Analysis of Hidden Danger Description Text Based on ERNIE-CRF-ESL Y1 - 2021-09-06 00:00:00.0 JF - Journal of Beijing University of Posts and Telecommunications JO - Journal of Beijing University of Posts and Telecommunications SP - 107 EP - 113 VL - 44 IS - 5 UR - {https://journal.bupt.edu.cn/EN/10.13190/j.jbupt.2021-003} N1 - 10.13190/j.jbupt.2021-003 ER -