@article{abseekertraininglonghorizonsearchagentsv,
  title = {ABSeeker: Training Long-Horizon Search Agents via Answer-Backtracked Credit Assignment},
  author = {Yijun Lu and Rui Ye and Jiajun Wang and Yuwen Du and Tian Jin and Songhua Liu and Siheng Chen},
  year = {2026},
  eprint = {2608.05102},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2608.05102},
}