Li, Youru, Zhenfeng Zhu, Deqiang Kong, Meixiang Xu, and Yao Zhao. “Learning Heterogeneous Spatial-Temporal Representation for Bike-Sharing Demand Prediction”. Proceedings of the AAAI Conference on Artificial Intelligence 33, no. 01 (July 17, 2019): 1004-1011. Accessed June 28, 2022. https://ojs.aaai.org/index.php/AAAI/article/view/3890.