@misc{li2023railway,
  title={Railway Network Delay Evolution: A Heterogeneous Graph Neural Network Approach},
  author={Zhongcan Li and Ping Huang and Chao Wen and Filipe Rodrigues},
  year={2023},
  eprint={2303.15489},
  archivePrefix={arXiv},
  primaryClass={cs.LG},
  url={https://arxiv.org/abs/2303.15489}
}