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腾讯混元 x MBZUAI 港中文新研究:将纠错纳入策略空间,Search-R2 重构搜索增强推理学习方式
智能体性能优势并非来自更多尝试,而来自对失败路径的精确处理。作者丨郑佳美编辑丨岑 峰过去几年,大语言模型的能力提升主要依赖参数和数据规模的扩张。但当模型逐步被用于研究助理、网页搜索和复杂决策支持等真实任务时,这条路径开始显露边界。这类场景往往要求模型在开放环境中进行多轮搜索与推理,使搜索增强推理成为主流范式,同时也暴露出一个核心问题:模型在长链搜索推理中的失败,往往不是因为推理能力不足,而是无法有效处理错误在推理过程中的出现与传播。在现实任务中,搜索结果不可避免地包含噪声,一旦早期某次检索或信息采信出现偏差,后续推理就可能在错误语义空间中不断自洽,最终生成看似合理却偏离问题的答案。然而,现有训练方法通常只依据最终答案是否正确进行优化,使“偶然成功”的轨迹与“搜索路径可靠”的轨迹获得相同反馈,长期来看反而削弱了模型对中途错误和搜索质量的约束。这也是多轮搜索、多跳推理任务中性能崩溃呈现系统性特征的重要原因。在这一背景下,MBZUAI 、港中文和腾讯混元组成的联合团队提出了《Search-R2: Enhancing Search-Integrated Reasoning via...
GAIR DAO
2026-02-24
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安波 President's Chair Professor College of Computing and Data Science Nanyang Technological University, Head, Division of Artificial Intelligence, College of Computing & Data Science, President’s Chair in Computer Science and Engineering, Professor, College of Computing & Data Science, Assistant Chair (Innovation), School of Computer Science and Engineering (SCSE)
Bo An is a Professor in the College of Computing & Data Science, and Co-Director of Artificial Intelligence Research Institute (AI.R) at Nanyang Technological University, Singapore. He received the Ph.D degree in Computer Science from the University of Massachusetts, Amherst. His current research interests include artificial intelligence, multiagent systems, computational game theory, reinforcement learning, and optimization. His research results have been successfully applied to many domains including infrastructure security and e-commerce. He has published over 100 referred papers at AAMAS, IJCAI, AAAI, ICAPS, KDD, UAI, EC, WWW, ICLR, NeurIPS, ICML, JAAMAS, AIJ and ACM/IEEE Transactions. Dr. An was the recipient of the 2010 IFAAMAS Victor Lesser Distinguished Dissertation Award, an Operational Excellence Award from the Commander, First Coast Guard District of the United States, the 2012 INFORMS Daniel H. Wagner Prize for Excellence in Operations Research Practice, and 2018 Nanyang Research Award (Young Investigator). His publications won the Best Innovative Application Paper Award at AAMAS’12, the Innovative Application Award at IAAI’16, and the best paper award at DAI’20. He was invited to give Early Career Spotlight talk at IJCAI’17. He led the team HogRider which won the 2017 Microsoft Collaborative AI Challenge. He was named to IEEE Intelligent Systems' "AI's 10 to Watch" list for 2018. He is PC Co-Chair of AAMAS’20 and will be General Co-Chair of AAMAS’23. He is a member of the editorial board of JAIR and is the Associate Editor of AIJ, JAAMAS, IEEE Intelligent Systems, ACM TAAS, and ACM TIST. He was elected to the board of directors of IFAAMAS, senior member of AAAI, and Distinguished member of ACM.