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| Main Authors: | , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2604.14261 |
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| _version_ | 1866914476740050944 |
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| author | Li, Zhuofeng Lu, Yi Jiang, Dongfu Zhang, Haoxiang Bai, Yuyang Li, Chuan Wang, Yu Ji, Shuiwang Xie, Jianwen Zhang, Yu |
| author_facet | Li, Zhuofeng Lu, Yi Jiang, Dongfu Zhang, Haoxiang Bai, Yuyang Li, Chuan Wang, Yu Ji, Shuiwang Xie, Jianwen Zhang, Yu |
| contents | The rapid rise in AI conference submissions has driven increasing exploration of large language models (LLMs) for peer review support. However, LLM-based reviewers often generate superficial, formulaic comments lacking substantive, evidence-grounded feedback. We attribute this to the underutilization of two key components of human reviewing: explicit rubrics and contextual grounding in existing work. To address this, we introduce REVIEWBENCH, a benchmark evaluating review text according to paper-specific rubrics derived from official guidelines, the paper's content, and human-written reviews. We further propose REVIEWGROUNDER, a rubric-guided, tool-integrated multi-agent framework that decomposes reviewing into drafting and grounding stages, enriching shallow drafts via targeted evidence consolidation. Experiments on REVIEWBENCH show that REVIEWGROUNDER, using a Phi-4-14B-based drafter and a GPT-OSS-120B-based grounding stage, consistently outperforms baselines with substantially stronger/larger backbones (e.g., GPT-4.1 and DeepSeek-R1-670B) in both alignment with human judgments and rubric-based review quality across 8 dimensions. The code is available \href{https://github.com/EigenTom/ReviewGrounder}{here}. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_14261 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | ReviewGrounder: Improving Review Substantiveness with Rubric-Guided, Tool-Integrated Agents Li, Zhuofeng Lu, Yi Jiang, Dongfu Zhang, Haoxiang Bai, Yuyang Li, Chuan Wang, Yu Ji, Shuiwang Xie, Jianwen Zhang, Yu Computation and Language Artificial Intelligence The rapid rise in AI conference submissions has driven increasing exploration of large language models (LLMs) for peer review support. However, LLM-based reviewers often generate superficial, formulaic comments lacking substantive, evidence-grounded feedback. We attribute this to the underutilization of two key components of human reviewing: explicit rubrics and contextual grounding in existing work. To address this, we introduce REVIEWBENCH, a benchmark evaluating review text according to paper-specific rubrics derived from official guidelines, the paper's content, and human-written reviews. We further propose REVIEWGROUNDER, a rubric-guided, tool-integrated multi-agent framework that decomposes reviewing into drafting and grounding stages, enriching shallow drafts via targeted evidence consolidation. Experiments on REVIEWBENCH show that REVIEWGROUNDER, using a Phi-4-14B-based drafter and a GPT-OSS-120B-based grounding stage, consistently outperforms baselines with substantially stronger/larger backbones (e.g., GPT-4.1 and DeepSeek-R1-670B) in both alignment with human judgments and rubric-based review quality across 8 dimensions. The code is available \href{https://github.com/EigenTom/ReviewGrounder}{here}. |
| title | ReviewGrounder: Improving Review Substantiveness with Rubric-Guided, Tool-Integrated Agents |
| topic | Computation and Language Artificial Intelligence |
| url | https://arxiv.org/abs/2604.14261 |