Xin, H., X. Lu, T. Xu, H. Liu, J. Gu, D. Dou, and H. Xiong. “Out-of-Town Recommendation With Travel Intention Modeling”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 35, no. 5, May 2021, pp. 4529-36, doi:10.1609/aaai.v35i5.16581.