@article{graph4bilographneuralnetworkapproximatio,
  title = {Graph4BiLO: Graph Neural Network Approximation for Bilevel Mixed-Integer Linear Optimization},
  author = {Jessica D. Elrefaei and Kaixun Hua and Seungbae Kim and Hoang Nam Tran and Juan S. Borrero},
  year = {2026},
  eprint = {2608.30103},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2608.30103},
}