@article{colaachoiceleakageattackframeworktoexpos,
  title = {CoLA: A Choice Leakage Attack Framework to Expose Privacy Risks in Subset Training},
  author = {Qi Li and Cheng-Long Wang and Yinzhi Cao and Di Wang},
  year = {2026},
  eprint = {2604.12342},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.12342},
}