1. Ma, J., Zhang, B., Zhang, S., Liu, S.: Named entity recognition of new energy vehicles based on active MCNN-SCRF. Comput. Eng. Appl. 55(07), 23–29 (2019)
2. Qu, D., Yang, T., Zhu, Y., Hu, K.: Research on entity extraction of four diagnosis information of BiGRU-CRF lung cancer medical case based on word. Mod. Tradit. Chin. Med. Materia Medica World Sci. Technol. 23(09), 3118–3125 (2021)
3. Shi, Z., Ma, Y., Zhao, F., Ma, B.: Chinese entity recognition based on CNN head transformer encoder. Comput. Eng. 48(10), 1–10 (2022)
4. Lecture Notes in Computer Science;F Saad,2020
5. Yu, H., Huang, H., Yu, Z., Tan, X., Lu, S.: Entity recognition of government official documents based on BiLSTM-CRF. Program. Skills Maint., 119–121 (2022)