@article{pencilprivateandextensiblecollaborative,
  title = {Pencil: Private and Extensible Collaborative Learning without the Non-Colluding Assumption},
  author = {Xuanqi Liu and Zhuotao Liu and Qi Li and Ke Xu and Mingwei Xu},
  year = {2024},
  eprint = {2403.11166},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2403.11166v1},
}