YNU-HPCC at ROCLING 2022 Shared Task: A Transformer-based Model with Focal Loss and Regularization Dropout for Chinese Healthcare Named Entity Recognition Xiang Luo author Jin Wang author Xuejie Zhang author 2022-11 text zho Proceedings of the 34th Conference on Computational Linguistics and Speech Processing (ROCLING 2022) Yung-Chun Chang editor Yi-Chin Huang editor The Association for Computational Linguistics and Chinese Language Processing (ACLCLP) Taipei, Taiwan conference publication luo-etal-2022-ynu https://aclanthology.org/2022.rocling-1.42/ 2022-11 335 342