En WangWeiting LiuWenbin LiuYongjian YangBo Yang 0002Jie Wu 0001Spatiotemporal Urban Inference and Prediction in Sparse Mobile CrowdSensing: A Graph Neural Network Approach.6784-67992023November22IEEE Trans. Mob. Comput.11https://doi.org/10.1109/TMC.2022.3195706db/journals/tmc/tmc22.html#WangLLYYW23