Proof-of-Use: Mitigating tool-call hacking in Deep Research Agents

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Cite this paper

@article{shengjie2026,
  title = {Proof-of-Use: Mitigating tool-call hacking in Deep Research Agents},
  author = {Ma, Shengjie and Deng, Chenlong and Mao, Jiaxin and Huang, Jiadeng and Jiang, Xuhui and Wang, Teng and Wu, Junjie and Zhang, Changwang and Wang, Jun},
  journal = {Proceedings of the 2026 Conference on Empirical Methods in Natural Language Processing},
  year = {2026},
  month = {Jan},
  doi = {10.18653/2026.emnlp-main.1664},
  url = {https://doi.org/10.18653/2026.emnlp-main.1664},
}