@article{beyondlengthquantifyinglongrangeinformat,
  title = {Beyond Length: Quantifying Long-Range Information for Long-Context LLM Pretraining Data},
  author = {Haoran Deng and Yingyu Lin and Zhenghao Lin and Xiao Liu and Yizhou Sun and Yi-An Ma and Yeyun Gong},
  year = {2025},
  eprint = {2510.25804},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2510.25804},
}