1. Li, J., Sun, A., Han, J.: A survey on deep learning for named entity recognition. IEEE Trans. Knowl. Data Eng. 34(1), 50–70 (2022)
2. Liu, B.: Text sentiment analysis based on CBOW model and deep learning in big data environment. J. Ambient. Intell. Humaniz. Comput. 11(2), 451–458 (2018). https://doi.org/10.1007/s12652-018-1095-6
3. Akbik, A., Blythe, D., Vollgraf, R.: Contextual string embeddings for sequence labeling. In: International Conference on Computational Linguistics (2018)
4. Zhang, X., Guo, R., Huang, D.: Named entity recognition based on dependency. J. Chin. Inform. Process. 35(6), 63–73 (2021)
5. Li, L., Guo, Y.: Biomedical named entity recognition with CNN-BLSTM-CRF. J. Chin. Inform. Process. 32(1), 116–122 (2018)