A collection of his recent works.
S. Liang, Y. Xu, G. Li, X. Zhang, Q. Li
Travel Behaviour and Society, 2026
Distance tells only half the story of how a city moves. The true pulse of urban mobility is shaped just as much by the underlying transit networks. GeoTopo-Net offers a way to model both dependencies at once, capturing how travel unfolds across places and connections.
S. Liang, Q. Li, L. Zhuo, D. Zou, Y. Xu, S. Zhou
International Journal of Digital Earth, 2025
To predict where someone is headed, do we need to know why? This study shows that giving AI the "why" makes its predictions much sharper. We find that using a diverse mix of activities works better than sticking to a few safe, accurate categories, even if the specific guesses are imperfect.
Q. Li, S. Liang, Y. Xu, L. Liu, S. Zhou
Health & Place, 2022
Does your commute hide a pollution risk? We measure it in Guangzhou by linking city-wide travel data with mobile sensors, and uncover three distinct patterns based on how and when people travel.
