@article{chen2026datadriven,
  title = {Data-driven Urban Surface Classification Elucidates Global City Heterogeneity},
  author = {Yiheng Chen and Wai-Chi Cheng and Tzung-May Fu and Wei Tao and Aoxing Zhang and Jimmy C. H. Fung and Song Liu and Lei Zhu and Xin Yang},
  year = {2026},
  eprint = {2604.12193},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.12193},
}