arXivDaily arXiv每日学术速递 周一至周五更新

高校专区

Northeastern University(东北大学)

2026-08-18 至 2026-08-18 共收录 4
2608.12253 2026-08-18 cs.CL cs.AI cs.LG 版本更新

One Frozen Simulator Is Not Enough: Simulator Collapse in Multi-Agent RL

单个冻结模拟器不够:多智能体强化学习中的模拟器崩溃问题

Simon Yu, Nicholas Tomlin, Marwa Abdulhai, Ximing Lu, Derek Chong, Abe Hou, Dilara Soylu, Sergey Levine, Christopher D. Manning, Weiyan Shi

机构 * Northeastern University(东北大学) New York University(纽约大学) UC Berkeley(加州大学伯克利分校) University of Washington(华盛顿大学) Stanford University(斯坦福大学)

AI总结 针对人机交互多智能体强化学习中单个LLM模拟器导致的策略泛化缺陷,提出Verbalized Sampling和Co-Training两种方案,在多轮基准测试和真实用户研究中显著提升了性能,发布了开源框架SCOPE。

Comments 42 pages, 29 figures

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2510.08759 2026-08-18 cs.CV cs.RO 版本更新

Dissecting Embodied Abilities in Multimodal Language Models through Skill-level Evaluation and Diagnosis

通过技能级评估与诊断解构多模态语言模型的具身能力

Yu Qi, Haibo Zhao, Ziyu Guo, Siyuan Ma, Ziyan Chen, Yaokun Han, Renrui Zhang, Zitiantao Lin, Yizhe Zhu, Shiji Xin, Yijian Huang, Boce Hu, Kai Cheng, Peiheng Wang, Jiazheng Liu, Jiayi Zhang, Yizhe Zhu, Wenqing Wang, Yiran Qin, Haojie Huang, Lawson L.S. Wong

机构 * Northeastern University, Boston, MA, USA The Chinese University of Hong Kong, Hong Kong, China Peking University, Beijing, China Westlake University, Hangzhou, China Harvard University, Cambridge, MA, USA Purdue University, West Lafayette, IN, USA University of Oxford, Oxford, United Kingdom

AI总结 本文提出BEAR基准,通过分解具身任务为14个原子技能进行细粒度评估,发现感知能力是推理失败的主要瓶颈,并提出BEAR-Agent多模态对话代理,显著提升具身技能性能。

Comments Accepted to ICML 2026

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2605.00865 2026-08-18 eess.SP cs.CL cs.CV cs.LG cs.SD q-bio.NC 版本更新

Leakage-Audited Benchmarking Reveals Limited Evidence for Cross-Subject Auditory-Evoked EEG Vowel Perception Decoding

我们能从听觉EEG解码元音有多好——一个严格的跨受试基准测试与诚实评估

Xiaoyang Li, Zeyan Tao

机构 * College of Medicine and Biological Information Engineering, Northeastern University(医学与生物信息工程学院,东北大学)

AI总结 本文提出一个跨受试基准测试,评估从听觉EEG解码五类元音的性能,比较了14种方法,发现XGBoost模型在低信号条件下表现最佳,且经典方法与深度学习模型竞争。

Comments Revised manuscript with 6 main figures

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2509.25459 2026-08-18 cs.CL cs.LG 版本更新

SimulRAG: Simulator-based RAG for Grounding LLMs in Long-form Scientific QA

SimulRAG:基于模拟器的检索增强生成(RAG)框架,用于将大型语言模型(LLMs)落地到长篇科学问答任务中

Haozhou Xu, Dongxia Wu, Matteo Chinazzi, Ruijia Niu, Rose Yu, Yi-An Ma

机构 * University of California San Diego(加州大学圣迭戈分校) Stanford University(斯坦福大学) Northeastern University(东北大学)

AI总结 针对LLMs在长篇科学问答中易幻觉的问题,本文提出SimulRAG框架,引入UE+SBA机制,发布相关基准,实验表明其信息量与事实性较基线分别提升30.4%、16.3%

Comments Haozhou Xu and Dongxia Wu are co-first authors

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