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Harvard University(哈佛大学)

共收录 1302
2508.03253 2026-05-29 cs.GT cs.AI cs.MA

Approximate Proportionality in Online Fair Division

在线公平分配中的近似比例性

Davin Choo, Winston Fu, Derek Khu, Tzeh Yuan Neoh, Tze-Yang Poon, Nicholas Teh

机构 * Harvard University, USA(哈佛大学) University of Oxford, UK(牛津大学) Centre for Frontier AI Research (CFAR), Agency for Science, Technology and Research (A*STAR), Singapore(前沿人工智能研究中心(CFAR)) Institute of High Performance Computing (IHPC), Agency for Science, Technology and Research (A*STAR), Singapore(高性能计算研究所(IHPC)) Princeton University, New Jersey, USA(普林斯顿大学) Institute for Infocomm Research (I2R), Agency for Science, Technology and Research (A*STAR), Singapore(信息与通信研究所以(I2R))

AI总结 研究在线公平分配问题中比例性(PROP1)的可近似性,通过非自适应对手和最大物品价值预测两种松弛方法,设计了具有鲁棒保证的在线算法。

Comments Appears in the 43rd International Conference on Machine Learning (ICML), 2026

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2605.29257 2026-05-29 cs.SD

ChildVox: A Speech, Audio, and Large Audio-Language Model Benchmark in Understanding and Characterizing Sound across Childhood

ChildVox:理解与表征儿童期声音的语音、音频及大型音频语言模型基准

Tiantian Feng, Anfeng Xu, Xuan Shi, Aditya Kommineni, Shakhrul Iman Siam, Megan Micheletti, Zhonghao Shi, Helen Tager-Flusberg, Mi Zhang, Lynn K. Perry, Catherine Lord, Daniel Messinger, Shrikanth Narayanan

机构 * University of Southern California(南加州大学) The Ohio State University(俄亥俄州立大学) University of California, Los Angeles(加州大学洛杉矶分校) Harvard University(哈佛大学) Boston University(波士顿大学) University of Miami(迈阿密大学)

AI总结 提出ChildVox基准,整合17个儿童音频数据集和20多个子任务,评估多种基础模型在儿童生理声、非语言发声、规范音节和口语识别上的性能。

Comments preprint under review

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2605.29136 2026-05-29 cs.CV cs.LG

Eulerian Gaussian Splatting using Hashed Probability Pyramids

使用哈希概率金字塔的欧拉高斯溅射

Mia Gaia Polansky, George Kopanas, Stephan Garbin, Todd Zickler, Dor Verbin

机构 * Harvard University(哈佛大学) Google DeepMind(谷歌DeepMind) Google(谷歌)

AI总结 提出一种基于概率溅射的辐射场框架,用梯度优化的体积概率密度替代启发式操作,通过多尺度哈希网格实现端到端优化,在mip-NeRF 360上达到SOTA重建质量并保持3DGS渲染速度。

Comments CVPR 2026. Project Page: https://euleriansplatting.github.io

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2605.28861 2026-05-29 cond-mat.str-el cond-mat.dis-nn cs.LG

Comment on "Spin-1/2 Kagome Heisenberg Antiferromagnet: Machine Learning Discovery of the Spinon Pair-Density-Wave Ground State"

评论:自旋-1/2 Kagome海森堡反铁磁体:通过机器学习发现自旋子对密度波基态

Helia Kamal, Dominik Kufel, DinhDuy Vu, Chris R. Laumann, Norman Y. Yao

机构 * Department of Physics, Harvard University, Cambridge, MA 02138, USA(哈佛大学物理系) Department of Physics, Boston University, Boston, MA 02215, USA(波士顿大学物理系)

AI总结 指出使用群等变卷积神经网络研究kagome海森堡反铁磁体基态时,由于Metropolis-Hastings采样中单自旋翻转更新导致遍历性破缺,使得报告的低能态是伪影,而采用自旋交换更新后网络收敛能量高于DMRG结果,质疑原文结论。

Comments 3 pages, 1 figure; Comment on arXiv:2401.02866

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2603.16673 2026-05-29 cs.RO cs.AI cs.LG

When Should a Robot Think? Resource-Aware Reasoning via Reinforcement Learning for Embodied Robotic Decision-Making

机器人何时应该思考?基于强化学习的资源感知推理在具身机器人决策中的应用

Jun Liu, Pu Zhao, Zhenglun Kong, Xuan Shen, Peiyan Dong, Fan Yang, Lin Cui, Hao Tang, Geng Yuan, Wei Niu, Wenbin Zhang, Xue Lin, Gaowen Liu, Yanzhi Wang, Dong Huang

机构 * Robotics Institute, Carnegie Mellon University(卡内基梅隆大学机器人研究所) Northeastern University(东北大学) Harvard University(哈佛大学) Cornell University(康奈尔大学) MIT(麻省理工学院) Fujitsu Research of America(美国富士通研究) Tsinghua University(清华大学) Peking University(北京大学) University of Georgia(佐治亚大学) Florida International University(佛罗里达国际大学) EmbodyX Inc(EmbodyX公司) Cisco Systems(思科系统)

AI总结 提出RARRL框架,通过强化学习学习高层编排策略,使具身代理能自适应决定是否调用LLM推理、选择推理角色及分配计算预算,以平衡推理开销与任务成功率。

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2505.24503 2026-05-29 cs.GT cs.AI

Online Fair Division with Additional Information

在线公平分配与额外信息

Tzeh Yuan Neoh, Jannik Peters, Nicholas Teh

机构 * Harvard University, USA(哈佛大学) Shanghai University of Finance and Economics, China(上海财经大学) University of Oxford, UK(牛津大学)

AI总结 研究在线公平分配不可分割物品问题,通过引入归一化信息和频率预测,实现了比以往更强的公平性保证,并提供了学习增强的鲁棒变体。

Comments Appears in the 43rd International Conference on Machine Learning (ICML), 2026

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2605.28814 2026-05-28 cs.CL

Self-Improving Language Models with Bidirectional Evolutionary Search

具有双向进化搜索的自我改进语言模型

Guowei Xu, Zhenting Qi, Huangyuan Su, Weirui Ye, Himabindu Lakkaraju, Sham M. Kakade, Yilun Du

机构 * Harvard University(哈佛大学) MIT(麻省理工学院)

AI总结 提出双向进化搜索(BES)框架,通过前向候选进化与后向目标分解相结合,克服了传统搜索方法中稀疏验证信号和自回归扩展的局限,在训练后和推理时均显著提升语言模型性能。

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2605.28687 2026-05-28 cs.SD physics.med-ph

Cross-modal characterization of infant cry: validation of a chest-surface accelerometer in extracting acoustic vocal function measures

婴儿哭声的跨模态表征:胸表加速度计在提取声学发声功能测量中的验证

Winko W. An, Saketh Sundar, Lisa Yankowitz, Daryush D. Mehta, Carol L. Wilkinson

机构 * Division of Developmental Medicine, Boston Children’s Hospital(发育医学部,波士顿儿童医院) Harvard Medical School(哈佛医学院) Harvard University(哈佛大学) Children’s Hospital of Philadelphia(费城儿童医院) Center for Laryngeal Surgery and Voice Rehabilitation, Massachusetts General Hospital(嗓音康复中心,麻省总医院)

AI总结 本研究验证了胸表加速度计在婴儿哭声分析中的有效性,发现其能可靠捕获基频和抖动等声学特征,为噪声鲁棒且保护隐私的临床研究提供替代方案。

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2605.28655 2026-05-28 cs.AI

AutoScientists: Self-Organizing Agent Teams for Long-Running Scientific Experimentation

AutoScientists: 用于长期科学实验的自组织智能体团队

Shanghua Gao, Ada Fang, Marinka Zitnik

机构 * Harvard University(哈佛大学)

AI总结 提出一种去中心化的AI智能体团队系统AutoScientists,通过自组织协作、提案评审和失败知识共享,在生物医学机器学习、语言模型训练优化和蛋白质适应性预测等长期实验中显著优于现有方法。

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2605.23933 2026-05-28 cs.CY cs.AI

KT4EQG: Personalized Exercise Question Generation via Knowledge Tracing

KT4EQG: 通过知识追踪实现个性化习题生成

Xinyi Gao, Qiucheng Wu, Lu Ding, Q. Vera Liao, Kaizhi Qian, Ying Xu, Shiyu Chang, Yang Zhang

机构 * University of California, Santa Barbara(加州大学圣巴巴拉分校) University of South Alabama(南方大学) University of Michigan(密歇根大学) MIT-IBM Watson AI Lab(麻省理工-IBM沃森人工智能实验室) Harvard University(哈佛大学)

AI总结 提出KT4EQG框架,利用知识追踪模型选择最合适的概念,并训练基于LLM的题目生成器,以生成个性化习题,实验证明其有效性。

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2605.27967 2026-05-28 stat.ME cs.AI cs.LG stat.ML

Multi-Teacher Knowledge Distillation via Teacher-Informed Mixture Priors

通过教师引导的混合先验进行多教师知识蒸馏

Luyang Fang, Yongkai Chen, Jiazhang Cai, Ping Ma, Wenxuan Zhong

机构 * Department of Statistics, University of Georgia(佐治亚大学统计系) Department of Statistics, Harvard University(哈佛大学统计系)

AI总结 提出多教师贝叶斯知识蒸馏(MT-BKD)框架,利用贝叶斯推断和教师引导的先验分布,结合熵加权机制,实现多教师知识的高效融合与不确定性量化。

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2605.27932 2026-05-28 cs.CV cs.AI cs.CL cs.CR cs.LG

When Think-with-Image Meets Safety: What Determines Multimodal Jailbreak Robustness?

当图文推理遇上安全:什么决定了多模态越狱鲁棒性?

Yuan Tian, Bing Hu, Fang Wu, Xiaomin Li, Binghang Lu, Neil Zhenqiang Gong

机构 * Independent Researcher(独立研究者) Stanford University(斯坦福大学) Harvard University(哈佛大学) Purdue University(普渡大学) Duke University(杜克大学)

AI总结 本文研究多模态大语言模型中不同图文推理范式对越狱鲁棒性的影响,发现显式图像工具交互能显著降低攻击成功率,并通过引入图像工具安全向量框架从表征层面解释其机制。

Comments 17 pages, 6 figures, 7 tables

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2605.27464 2026-05-28 cs.CV cs.AI

Beyond Motion Primitives: Behavioral Activity Recognition from Head-Mounted IMU

超越运动基元:基于头戴式IMU的行为活动识别

Chung-Ta Huang, Leopold Das, Jeffrey Zhou, Faizaan Siddique, Julia Seungjoo Baek, Serena Liu, Andrew Rusli, Todd Y. Zhou, Freddy Yu, Sinclair Hansen, Ziling Hu, Arnav Sharma, Mengyu Wang

机构 * Harvard AI and Robotics Lab, Harvard University(哈佛人工智能与机器人实验室,哈佛大学)

AI总结 提出HiT-HAR层次模型,利用头戴式IMU数据实现行为级活动识别,超越传统运动基元,在五类动作和八类场景识别中优于现有模型。

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2505.13820 2026-05-28 cs.LG cs.AI cs.CL

Structured Agent Distillation for Large Language Model

大型语言模型的结构化智能体蒸馏

Jun Liu, Zhenglun Kong, Peiyan Dong, Changdi Yang, Tianqi Li, Hao Tang, Geng Yuan, Wei Niu, Wenbin Zhang, Pu Zhao, Xue Lin, Dong Huang, Yanzhi Wang

机构 * Carnegie Mellon University(卡内基梅隆大学) Harvard University(哈佛大学) MIT(麻省理工学院) Northeastern University(东北大学) Adobe Research(Adobe研究) National University of Singapore(新加坡国立大学) University of Georgia(佐治亚大学) Florida International University(佛罗里达国际大学)

AI总结 提出结构化智能体蒸馏框架,通过分段对齐推理和动作跨度,将大型语言模型智能体压缩为小型学生模型,在保持决策性能的同时降低推理成本。

Journal ref The 25th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2026)

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2605.27013 2026-05-27 cs.AI

Generating Robust Portfolios of Optimization Models using Large Language Models

使用大型语言模型生成鲁棒的优化模型组合

Eleni Straitouri, Cheol Woo Kim, Milind Tambe

机构 * Max Planck Institute for Software Systems(马克斯·普朗克软件系统研究所) Harvard University(哈佛大学)

AI总结 提出一种利用LLM作为随机生成器和推理评估器的统一框架,生成鲁棒的优化模型组合,并保证在生成器或评估器之一与人类偏好对齐时组合中包含高质量候选模型。

Comments Accepted at the ICML 2026 LM4Plan Workshop

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2605.17036 2026-05-27 cs.AI cs.LG cs.MA cs.SY eess.SY

Reliability and Effectiveness of Autonomous AI Agents in Supply Chain Management

自主AI代理在供应链管理中的可靠性与有效性

Carol Xuan Long, David Simchi-Levi, Feng Zhu, Huangyuan Su, Andre P. Calmon, Flavio P. Calmon

机构 * Harvard University(哈佛大学) MIT/Purdue(麻省理工学院/普渡大学) MIT(麻省理工学院) Harvard University/Kempner Institute(哈佛大学/凯普勒研究所) Georgia Tech(佐治亚理工学院)

AI总结 本文通过MIT啤酒游戏研究多级供应链中的自主生成式AI代理,发现模型能力是性能主导因素,但平均性能掩盖可靠性风险,并引入代理牛鞭效应,提出基于GRPO的后训练框架以提高可靠性。

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2605.25446 2026-05-26 cs.AI cs.LG

A Signal-Language Foundation Model for Broad-Spectrum Cardiovascular Assessment from Routine Electrocardiography

面向常规心电图广谱心血管评估的信号-语言基础模型

Ziqing Yu, Yuhui Tao, Jiayu Huo, Lei Pan, Zilong Xiao, Juecheng Chen, Xiao Li, Jianxuan Li, You Zhou, Zhixing Li, Cong Wang, Beijian Zhang, Chen Chen, Hongyang Lu, Konstantinos Patlatzoglou, Daniel B. Kramer, Jonathan W. Waks, Yangang Su, Fu Siong Ng, Shuo Wang, Yixiu Liang, Junbo Ge

机构 * Department of Cardiology, Zhongshan Hospital of Fudan University(复旦大学中山医院心内科) Shanghai Institute of Cardiovascular Diseases, National Clinical Research Centre for Interventional Medicine(上海心血管病研究所,国家介入医学临床研究中心) Digital Medical Research Center, School of Basic Medical Sciences, Fudan University(复旦大学基础医学研究院数字医疗研究中心) Shanghai Key Laboratory of Medical Imaging Computing and Computer Assisted Intervention(上海医学影像计算与计算机辅助手术重点实验室) National Heart and Lung Institute, Imperial College London, Hammersmith Hospital, Du Cane Road(伦敦帝国学院国家心肺研究所,哈马舍姆医院,杜肯路) Department of Cardiology, Shanghai Geriatric Medical Center(上海老年医学中心心内科) Cardiac Rhythm Management, Medtronic Technology Center, Medtronic (Shanghai) Ltd.(美敦力技术中心,美敦力(上海)有限公司,心律管理部) Richard A. and Susan F. Smith Center for Outcomes Research in Cardiology, Beth Israel Deaconess Medical Center, Harvard Medical School(哈佛医学院比尔·德·阿克谢心脏结局研究中心,贝斯以色列·德aconess医疗中心) Harvard-Thorndike Electrophysiology Institute, Beth Israel Deaconess Medical Center, Harvard Medical School(哈佛-托尔恩迪克电生理研究所,贝斯以色列·德aconess医疗中心,哈佛医学院) Department of Cardiology, Imperial College Healthcare NHS Trust(伦敦帝国学院医疗信托心内科部) Department of Cardiology, Chelsea and Westminster NHS Foundation Trust(切尔西和温斯洛医院 NHS 基础信托心内科部) Department of Computer Science and Technology, University of Cambridge(剑桥大学计算机科学与技术系)

AI总结 提出ECGCLIP信号-语言对比学习框架,通过大规模心电图-报告预训练,在89项下游任务中超越基线,实现对常见心律失常、超声心动图靶标及罕见心脏病的广谱评估。

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2601.19743 2026-05-26 eess.IV cs.CV cs.LG

Interpretable and backpropagation-free Green Learning for efficient multi-task echocardiographic segmentation and classification

可解释且无需反向传播的绿色学习用于高效多任务超声心动图分割与分类

Jyun-Ping Kao, Jiaxin Yang, C. -C. Jay Kuo, Jonghye Woo

机构 * Harvard Medical School and Massachusetts General Hospital(哈佛医学院和麻省总医院) Graduate Institute of Biomedical Electronics and Bioinformatics(生物医学电子与生物信息学研究生院) University of Southern California(南加州大学)

AI总结 提出一种无需反向传播的多任务绿色学习框架,通过无监督VoxelHop编码器与多级回归解码器及XG-Boost分类器,在EchoNet-Dynamic数据集上实现左心室分割与射血分数分类,以极低参数量达到高精度。

Comments Accepted for publication in APSIPA Transactions on Signal and Information Processing. Jyun-Ping Kao and Jiaxing Yang contributed equally to this work. C.-C. Jay Kuo and Jonghye Woo are the senior authors

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2508.17090 2026-05-26 stat.ML cs.LG

Neural Stochastic Differential Equations on Compact State Spaces: Theory, Methods, and Application to Suicide Risk Modeling

紧致状态空间上的神经随机微分方程:理论、方法及其在自杀风险建模中的应用

Malinda Lu, Yue-Jane Liu, Matthew K. Nock, Yaniv Yacoby

机构 * Wellesley College(韦尔斯利学院) Harvard University(哈佛大学)

AI总结 针对生态瞬时评估数据中随机微分方程违反域约束和训练不稳定的问题,提出一种新型表达性SDE,通过约束漂移和扩散确保解在紧致多面体状态空间内,并引入参数化映射任意动力学为满足约束的SDE,在真实数据上提升预测和优化性能。

Comments Accepted at the Symposium on Probabilistic Machine Learning (ProbML) 2026, and at the Methods and Opportunities at Small Scale (MOSS), ICML 2025, Vancouver, Canada

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2605.24907 2026-05-26 cs.CL

Overview of the PsyDefDetect Shared Task at BioNLP 2026: Detecting Levels of Psychological Defense Mechanisms in Supportive Conversations

PsyDefDetect 共享任务概述:在支持性对话中检测心理防御机制水平

Hongbin Na, Zimu Wang, Zhaoming Chen, Yining Hua, Rena Gao, Kailai Yang, Ling Chen, Wei Wang, Shaoxiong Ji, John Torous, Sophia Ananiadou

机构 * University of Technology Sydney(技术大学悉尼) Xi’an Jiaotong-Liverpool University(西安交通大学-利物浦大学) University of Utah(犹他大学) Harvard University(哈佛大学) The University of Melbourne(墨尔本大学) The University of Manchester(曼彻斯特大学) ELLIS Institute Finland(芬兰ELLIS研究所) University of Turku(图尔库大学)

AI总结 本文介绍了与 BioNLP@ACL 2026 合办的 PsyDefDetect 共享任务,该任务基于临床验证的 DMRS 框架,要求系统将求助者话语分类为九个类别,最佳系统达到 0.420 的宏 F1 分数,但仍存在改进空间。

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2605.24743 2026-05-26 cs.LG cs.AI

Bilevel Optimization of Synthetic Trajectories for Multi-Turn LLM Fine-Tuning

用于多轮LLM微调的合成轨迹的双层优化

Shresth Verma, Mauricio Tec, Cheol Woo Kim, Kai Wang, Milind Tambe

机构 * Harvard University(哈佛大学) Georgia Institute of Technology(佐治亚理工学院)

AI总结 提出BOOST双层优化框架,通过内层加权训练和外层轻量级重加权头学习,解决合成轨迹质量异质性导致的LLM多轮交互性能下降问题。

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2604.12116 2026-05-26 cs.AI cs.SE

The A-R Behavioral Space: Execution-Level Profiling of Tool-Using Language Model Agents in Organizational Deployment

A-R行为空间:组织部署中工具使用语言模型代理的执行层剖析

Shasha Yu, Fiona Carroll, Barry L. Bentley

机构 * Cardiff School of Technologies, Cardiff Metropolitan University(卡迪夫技术学院,卡迪夫市政大学) School of Professional Studies, Clark University(专业研究学院,克拉克大学) Harvard Medical School, Harvard University(哈佛医学院,哈佛大学)

AI总结 提出基于动作率(A)和拒绝信号(R)的二维A-R空间及散度(D)来测量执行层行为,评估不同规范制度和自主性配置下语言模型代理的执行与拒绝分布模式。

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2603.10250 2026-05-26 cs.LG

GeMPO: Generalized Measure Matching for Online Diffusion Reinforcement Learning

GeMPO:在线扩散强化学习的广义度量匹配

Haitong Ma, Chenxiao Gao, Tianyi Chen, Na Li, Bo Dai

机构 * Harvard University(哈佛大学) Georgia Institute of Technology(佐治亚理工学院)

AI总结 提出GeMPO框架,通过将扩散RL中的重加权从softmax推广到一般单调函数,并引入负重加权机制,以解决过贪策略和负样本利用不足的问题。

Comments 22 pages, 6 figures

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2512.05791 2026-05-26 physics.med-ph cs.CV cs.LG math.PR

Fast and Robust Diffusion Posterior Sampling for MR Image Reconstruction Using the Preconditioned Unadjusted Langevin Algorithm

使用预条件未调整朗之万算法实现快速且鲁棒的MR图像重建扩散后验采样

Moritz Blumenthal, Tina Holliber, Jonathan I. Tamir, Martin Uecker

机构 * Institute of Biomedical Imaging, Graz University of Technology, Graz, Austria Department of Radiology, Boston Children's Hospital, Harvard Medical School, Boston, USA Chandra Family Department of Electrical Engineering, University of Texas at Austin, USA Department of Diagnostic Medicine, Dell Medical School, University of Texas at Austin, USA

AI总结 针对MR图像重建中扩散后验采样速度慢和参数调优问题,提出基于预条件未调整朗之万算法的精确似然方法,实现快速收敛且无需调参的鲁棒采样。

Comments Submitted to Magnetic Resonance in Medicine

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2509.12194 2026-05-26 cs.AI cs.CV

Teaching large language models to reason like expert diagnosticians

教会大型语言模型像专家诊断医生一样推理

Thomas A. Buckley, Riccardo Conci, Peter G. Brodeur, Jason Gusdorf, Sourik Beltrán, Bita Behrouzi, Byron Crowe, Jacob Dockterman, Muzzammil Muhammad, Sarah Ohnigian, Andrew Sanchez, James A. Diao, Aashna P. Shah, Daniel Restrepo, Eric S. Rosenberg, Andrew S. Lea, Emily Glanton, Kimberly LeBlanc, Undiagnosed Diseases Network, Marinka Zitnik, Scott H. Podolsky, Zahir Kanjee, Raja-Elie E. Abdulnour, Jacob M. Koshy, Adam Rodman, Arjun K. Manrai

机构 * Department of Biomedical Informatics, Harvard Medical School(哈佛医学院生物医学信息学系) Department of Medicine, Beth Israel Deaconess Medical Center(贝塞斯达医院内科部) The Mongan Institute, Massachusetts General Hospital(麻省总医院蒙根研究所) Division of Gastroenterology, Brigham and Women’s Hospital(布里洛妇女医院胃肠病科) Department of Medicine, Brigham and Women’s Hospital(布里洛妇女医院内科部) Department of Medicine, Massachusetts General Hospital(麻省总医院内科部) Department of Pathology, Massachusetts General Hospital(麻省总医院病理学部) Department of Health Humanities and Bioethics, University of Rochester School of Medicine and Dentistry(罗切斯特大学医学院和牙科学院健康人文与生物伦理学部) Kempner Institute for the Study of Natural and Artificial Intelligence, Harvard University(哈佛大学凯普纳人工智能研究所) Center for the History of Medicine, Countway Library of Medicine, Harvard Medical School(哈佛医学院医学史中心,考特维图书馆) Department of Global Health and Social Medicine, Harvard Medical School(哈佛医学院全球健康与社会医学部) Division of Pulmonary and Critical Care Medicine, Brigham and Women’s Hospital(布里洛妇女医院呼吸科和重症医学科)

AI总结 提出 Dr. CaBot 代理 AI 系统,通过生成基于初始病例描述的幻灯片演示来模拟专家诊断推理,并在 NEJM CPC 和 NIH 未诊断疾病网络病例上取得优于前沿模型的表现,同时发布 CPC-Bench 基准以促进临床 AI 发展。

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2605.24326 2026-05-26 cs.DC cs.AI cs.NI

ScaleAcross Explorer: Exploring Communication Optimization for Scale-Across AI Model Training

ScaleAcross Explorer:探索跨规模AI模型训练的通信优化

Minghao Li, Alicia Golden, Samuel Hsia, Michael Kuchnik, Adi Gangidi, Xu Zhang, Ashmitha Jeevaraj Shetty, Zachary DeVito, Weiwei Chu, Dong He, Haoci Zhang, Yuchen Hao, Ruoming Pang, James Hongyi Zeng, Ying Zhang, Minlan Yu, Carole-Jean Wu

机构 * Harvard University(哈佛大学) Meta Platforms, Inc.(Meta平台公司)

AI总结 针对跨数据中心大规模AI模型训练(scale-across)的复杂设计空间,提出ScaleAcross Explorer优化器,通过联合优化并行放置、并行调度和网络层技术,实现高达64.62%的训练加速。

Comments 28 pages, 27 figures

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2605.24273 2026-05-26 cs.CV physics.ao-ph

Plume Segmentation from MethaneSAT with Cross-Sensor Transfer Learning and Physics-Informed Postprocessing

基于跨传感器迁移学习和物理信息后处理的MethaneSAT羽流分割

Manuel Pérez-Carrasco, Maya Nasr, Zhan Zhang, Apisada Chulakadabba, Javier Roger, Raia Ottenheimer, Sébastien Roche, Maryann Sargent, Chris Chan Miller, Daniel Varon, Jack Warren, Luis Guanter, Kang Sun, Jonathan Franklin, Jia Chen, Cecilia Garraffo, Xiong Liu, Ritesh Gautam, Steven Wofsy

机构 * Center for Astrophysics | Harvard & Smithsonian(哈佛-史密松天体物理中心) Environmental Defense Fund(环境防御基金) Department of Earth and Planetary Sciences, Harvard University(哈佛大学地球与行星科学系) Institute of Environmental Physics (IUP), University of Bremen(不莱梅大学环境物理研究所) John A. Paulson School of Engineering and Applied Sciences, Harvard University(哈佛大学约翰·A·保罗森工程与应用科学学院)

AI总结 提出一种结合Mask R-CNN、跨传感器迁移学习和物理信息后处理的机器学习框架,解决MethaneSAT甲烷羽流检测中的标签稀缺和推理可靠性问题,实现高灵敏度和高精度两种操作模式。

Comments 35 pages, 20 figures, 9 tables

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2605.24045 2026-05-26 cs.LG cs.AI

A Large-Scale Dataset and Benchmark: Do Protein-Ligand Models Learn Binding Sites or Just Binding Likelihood?

大规模数据集与基准:蛋白质-配体模型学习的是结合位点还是仅仅结合可能性?

Zhaohan Meng, Zhen Bai, Ke Yuan, Iadh Ounis, Zaiqiao Meng, Hao Xu, Joseph Loscalzo

机构 * School of Computing Science(计算科学学院) School of Cancer Sciences(癌症科学学院) School of Life Science and Technology(生命科学与技术学院) Institute of Science Tokyo(东京科学研究院) Cancer Research UK Scotland Institute(英国癌症研究会苏格兰研究所) Language Technology Lab(语言技术实验室) Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School(哈佛医学院内科部,布里格斯妇女医院) The Broad Institute of MIT and Harvard(MIT和哈佛大学Broad研究所)

AI总结 针对现有基准无法评估模型是否定位结合位点的问题,提出包含约10万对蛋白质-配体的InteractBind数据集和细粒度基准,通过结合位点定位任务揭示模型在强二元预测下定位能力有限。

Comments Under Review for the NeurIPS 2026 Conference, Track on Evaluations and Datasets

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2605.24002 2026-05-26 physics.chem-ph cond-mat.mtrl-sci cs.AI physics.comp-ph

Harnessing AtomisticSkills for Agentic Atomistic Research

利用原子技能实现代理原子研究

Bowen Deng, Bohan Li, Matthew Cox, Hoje Chun, Juno Nam, Artur Lyssenko, Sathya Edamadaka, Jurgis Ruza, Xiaochen Du, Nofit Segal, Jesus Diaz Sanchez, Mingrou Xie, Ty Perez, Yu Yao, Miguel Steiner, Sauradeep Majumdar, Charles B. Musgrave, Anirban Chandra, Abhirup Patra, Detlef Hohl, Connor W. Coley, Ju Li, Rafael Gómez-Bombarelli

机构 * Department of Materials Science Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA Department of Chemistry, Kookmin University, Seoul 02707, Republic of Korea Harvard University, Department of Chemistry Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA Department of Nuclear Science Shell Information Technology International Inc., Texas 77082, United States Shell International Exploration \& Production Inc., Texas 77079, United States

AI总结 提出AtomisticSkills框架,通过分层分解科学工作流为技能和工具,使通用AI编码代理能够进行原子级研究,并在多个科学任务中验证其能力。

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2510.07257 2026-05-26 cs.LG

Test-Time Graph Search for Goal-Conditioned Reinforcement Learning

测试时图搜索用于目标条件强化学习

Evgenii Opryshko, Junwei Quan, Claas Voelcker, Yilun Du, Igor Gilitschenski

机构 * Department of Computer Science, University of Toronto, Toronto, Canada(多伦多大学计算机科学系) Vector Institute, Toronto, Canada(向量研究所) University of Texas at Austin, Austin, USA(德克萨斯大学奥斯汀分校) Harvard University, Cambridge, USA(哈佛大学)

AI总结 提出测试时图搜索方法,通过构建离线数据集图并自适应选择子目标,在不额外训练的情况下显著提升目标条件强化学习在长时域任务中的成功率。

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