@article{unifyinginvariantandvariantfeaturesfor,
  title = {Unifying Invariant and Variant Features for Graph Out-of-Distribution via Probability of Necessity and Sufficiency},
  author = {Xuexin Chen and Ruichu Cai and Kaitao Zheng and Zhifan Jiang and Zhengting Huang and Zhifeng Hao and Zijian Li},
  year = {2024},
  eprint = {2407.15273},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2407.15273v1},
}