@misc{bi2025refinex,
  title         = {{RefineX}: Learning to Refine Pre-training Data at Scale
                   from Expert-Guided Programs},
  author        = {Baolong Bi and Shenghua Liu and Xingzhang Ren and
                   Dayiheng Liu and Junyang Lin and Yiwei Wang and
                   Lingrui Mei and Junfeng Fang and Jiafeng Guo and Xueqi Cheng},
  year          = {2025},
  eprint        = {2507.03253},
  archivePrefix = {arXiv},
  url           = {https://arxiv.org/abs/2507.03253}
}