Pang, Jun, and Yang Zhang. “DeepCity: A Feature Learning Framework for Mining Location Check-Ins”. Proceedings of the International AAAI Conference on Web and Social Media 11, no. 1 (May 3, 2017): 652-655. Accessed January 28, 2022. https://ojs.aaai.org/index.php/ICWSM/article/view/14906.