Xia, T., Y. Qi, J. Feng, F. Xu, F. Sun, D. Guo, and Y. Li. “AttnMove: History Enhanced Trajectory Recovery via Attentional Network”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 35, no. 5, May 2021, pp. 4494-02, https://ojs.aaai.org/index.php/AAAI/article/view/16577.