1. Bai, W., Zhang, C., Xu, K., Zhang, Z.: A self-adaptive microblog topic tracking method by user relationship. Acta Electonica Sinica 45(6), 1375 (2017)
2. Blei, D.M., Ng, A.Y., Jordan, M.I.: Latent Dirichlet allocation. J. Mach. Learn. Res. 3(Jan), 993–1022 (2003)
3. Bojanowski, P., Grave, E., Joulin, A., Mikolov, T.: Enriching word vectors with subword information. Trans. Assoc. Comput. Linguist. 5, 135–146 (2017)
4. Carbonell, J., Yang, Y., Lafferty, J., Brown, R.D., Pierce, T., Liu, X.: CMU report on tdt-2: segmentation, detection and tracking. In: Proceedings of the DARPA Broadcast News Workshop, pp. 117–120. Citeseer (1999)
5. Devlin, J., Chang, M.W., Lee, K., Toutanova, K.: BERT: pre-training of deep bidirectional transformers for language understanding. arXiv preprint arXiv:1810.04805 (2018)