Tang, S., Y. Yao, S. Zhang, F. Xu, T. Gu, H. Tong, X. Yan, and J. Lu. “An Integral Tag Recommendation Model for Textual Content”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 33, no. 01, July 2019, pp. 5109-16, doi:10.1609/aaai.v33i01.33015109.