@article{communicationefficientfederatedriskdiffe,
  title = {Communication-Efficient Federated Risk Difference Estimation for Time-to-Event Clinical Outcomes},
  author = {Ziwen Wang and Siqi Li and Marcus Eng Hock Ong and Nan Liu},
  year = {2026},
  eprint = {2601.14609},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2601.14609},
}