Lin, Yan, Huaiyu Wan, Shengnan Guo, and Youfang Lin. 2021. “Pre-Training Context and Time Aware Location Embeddings from Spatial-Temporal Trajectories for User Next Location Prediction”. Proceedings of the AAAI Conference on Artificial Intelligence 35 (5):4241-48. https://doi.org/10.1609/aaai.v35i5.16548.