HAMMER: An Automatic RAG Tuning System via Hierarchical Memory-Guided Monte Carlo Tree Search

Authors

• 1. Yingli Zhou (Chinese University of Hong Kong)
• 2. Zixuan Wang (Harbin Engineering University)
• 3. Yixiang Fang (Chinese University of Hong Kong)

@inproceedings{zhou_sigmod26,
        title = {{HAMMER: An Automatic RAG Tuning System via Hierarchical Memory-Guided Monte Carlo Tree Search}},
        author = {Zhou, Yingli and Wang, Zixuan and Fang, Yixiang},
        series = {{SIGMOD} '26},
        booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
        publisher = {Association for Computing Machinery},
        doi = {10.1145/3802071},
        url = {https://dl.acm.org/doi/10.1145/3802071},
        year = {2026}
}

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