@article{lu2026abseeker,
  title={ABSeeker: Training Long-Horizon Search Agents via Answer-Backtracked Credit Assignment},
  author={Lu, Yijun and Ye, Rui and Wang, Jiajun and Du, Yuwen and Jin, Tian and Liu, Songhua and Chen, Siheng},
  journal={arXiv preprint arXiv:2608.05102},
  year={2026}
}