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arXiv 2602.07773cs.CLcs.IR
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SRR-Judge: 逐步评分与细化以增强搜索集成推理在搜索代理中的能力

SRR-Judge: Step-Level Rating and Refinement for Enhancing Search-Integrated Reasoning in Search Agents

Huawei Technologies(华为技术)

Chen Zhang, Kuicai Dong, Dexun Li, Wenjun Li, Qu Yang, Wei Han, Yong Liu

AI总结:

SRR-Judge通过逐步评分与细化提升搜索代理的搜索集成推理能力,通过迭代拒绝采样微调实现更可靠的评估和性能提升。

摘要:

近期基于大推理模型(LRMs)构建的深度搜索代理在复杂问答中表现出色,通过迭代规划、行动和收集证据,这种能力被称为搜索集成推理。然而,主流方法往往仅使用基于结果的监督来训练这种能力,忽视了中间思考和行动的质量。我们引入了SRR-Judge,一个用于可靠评估推理和搜索动作的框架。集成到修改后的ReAct风格评分-细化工作流程中,SRR-Judge为搜索集成推理提供细粒度指导,并使训练后注释变得高效。使用SRR标注的数据,我们应用迭代拒绝采样微调程序来增强基础代理的深度搜索能力。实验表明,SRR-Judge在可靠性方面优于像DeepSeek-V3.1这样的更大模型,其评分与最终答案正确性有很强的相关性。此外,将策略与SRR-Judge标注的轨迹对齐,带来了显著的性能提升,在具有挑战性的深度搜索基准中,平均绝对pass@1提升了超过10%。

英文摘要:

Recent deep search agents built on large reasoning models (LRMs) excel at complex question answering by iteratively planning, acting, and gathering evidence, a capability known as search-integrated reasoning. However, mainstream approaches often train this ability using only outcome-based supervision, neglecting the quality of intermediate thoughts and actions. We introduce SRR-Judge, a framework for reliable step-level assessment of reasoning and search actions. Integrated into a modified ReAct-style rate-and-refine workflow, SRR-Judge provides fine-grained guidance for search-integrated reasoning and enables efficient post-training annotation. Using SRR-annotated data, we apply an iterative rejection sampling fine-tuning procedure to enhance the deep search capability of the base agent. Empirically, SRR-Judge delivers more reliable step-level evaluations than much larger models such as DeepSeek-V3.1, with its ratings showing strong correlation with final answer correctness. Moreover, aligning the policy with SRR-Judge annotated trajectories leads to substantial performance gains, yielding over a 10 percent average absolute pass@1 improvement across challenging deep search benchmarks.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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