@article{hpshardpreferencesamplingforhuman,
  title = {HPS: Hard Preference Sampling for Human Preference Alignment},
  author = {Xiandong Zou and WanYu Lin and Yuchen Li and Pan Zhou},
  year = {2025},
  eprint = {2502.14400},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2502.14400v1},
}