arXivDaily arXiv每日学术速递 周一至周五更新

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University of Chinese Academy of Sciences(中国科学院大学)

2026-08-04 至 2026-08-04 共收录 10
2607.06160 2026-08-04 cs.CL cs.AI 版本更新

LongCrafter: Towards Diverse Long-Context Understanding via Evidence-Graph-Guided Instruction Synthesis

LongCrafter:通过证据图引导的指令合成实现多样化的长上下文理解

Chenhao Yuan, Yinhao Xu, Shuwen Xu, Xizhi Yang, Jiaxiang Liu, Chenxi Zhou, Shaoping Huang, Haolin Ren, Pengfei Cao, Jun Zhao, Kang Liu

机构 * University of Chinese Academy of Sciences(中国科学院大学) The Key Laboratory of Cognition and Decision Intelligence for Complex Systems, Institute of Automation, Chinese Academy of Sciences(中国科学院自动化研究所认知与决策智能复杂系统重点实验室)

AI总结 针对现有长上下文理解方法的局限,提出LongCrafter框架,结合分层任务分类法与证据管道,生成多样化长上下文SFT数据,微调后的模型在多个数据集上表现优异,能有效缓解“中间迷失”问题。

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2606.21337 2026-08-04 cs.LG cs.AI 版本更新

DataClaw0: Agentic Tailoring Multimodal Data from Raw Streams

DataClaw0: 从原始流中智能定制多模态数据

Cong Wan, Zeyu Guo, Zijian Cai, Jiangyang Li, SongLin Dong, Lin Peng, Xiangyang Luo, Zhiheng Ma, Yihong Gong

机构 * University of Chinese Academy of Sciences(中国科学院大学) Shenzhen University of Advanced Technology(深圳理工大学) Tsinghua University(清华大学)

AI总结 提出DataClaw0模型,通过两阶段流水线将生成语义合成锚定于确定性事实锚点,结合SFT与GRPO实现复杂数据精炼意图的对齐,首个数据精炼基准验证其高效性。

Comments add base model: Qwen3.5-27B

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2605.29428 2026-08-04 astro-ph.EP astro-ph.IM cs.AI 版本更新

DELOS: Detecting Shallow Transits in Kepler Photometry Using a Contrastive-Learning Framework

DELOS: 使用对比学习框架检测开普勒测光中的浅凌星

Qingtian Liu, Jian Ge, XingChen Yan, Kevin Willis, Xinyu Yao, QuanQuan Hu, Jiapeng Zhu

机构 * Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China(上海天文台,中国科学院,上海200030,中国) School of Astronomy and Space Sciences, University of Chinese Academy of Sciences, Beijing 101408, China(中国科学院大学天文与空间科学学院,北京101408,中国) Science Talent Training Center, Gainesville, FL, 32606 USA(科学人才培训中心,佛罗里达州盖恩斯维尔,32606 USA)

AI总结 提出基于对比学习的DELOS框架,通过GPU加速折叠和卷积编码器检测低信噪比浅凌星,性能优于BLS和TLS。

Comments 25 pages, 19 figures, 1 table, submitted to AJ

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2605.25344 2026-08-04 cs.CL cs.AI cs.LG quant-ph 版本更新

A Hamiltonian-Inspired Local-Operator Ansatz for Slimming Large Language Models

一种用于高效大语言模型的通用张量结构压缩方案

Ying Lu, Peng-Fei Zhou, Qi-Xuan Fang, Pan Zhang, Shi-Ju Ran, Gang Su

机构 * School of Physical Sciences, University of Chinese Academy of Sciences(中国科学院大学物理科学学院) Kavli Institute for Theoretical Sciences, University of Chinese Academy of Sciences(中国科学院大学理论科学研究院) Center for Quantum Physics and Intelligent Sciences, Department of Physics, Capital Normal University(首都师范大学量子物理与智能科学中心) Institute of Theoretical Physics, Chinese Academy of Sciences(中国科学院理论物理研究所)

AI总结 提出张量混合(MixT)方案,通过将密集线性层替换为张量算子混合体,在保持MMLU准确率的同时大幅减少参数、FLOPs和内存。

Comments 10 pages, 4 figures

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2601.14340 2026-08-04 cs.CR cs.LG 版本更新

Turn-Based Structural Triggers: Structure-Conditioned Backdoors in Multi-Turn LLMs

基于回合的结构性触发器:多轮LLM中的无提示后门

Yiyang Lu, Jinwen He, Yue Zhao, Kai Chen, Ruigang Liang, Cheng Hong, Yingjun Zhang

机构 * School of Cyber Security, University of Chinese Academy of Sciences(中国科学院大学网络安全学院) Institute of Information Engineering, Chinese Academy of Sciences(中国科学院信息工程研究所) Institute of Software, Chinese Academy of Sciences(中国科学院软件研究所) Ant Group(蚂蚁集团)

AI总结 提出一种利用对话结构(回合索引)作为触发器的后门攻击方法TST,无需用户输入即可激活,实现高攻击成功率并绕过提示中心防御。

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2605.20266 2026-08-04 cs.SD 版本更新

A Survey of Large Audio Language Models: Generalization, Trustworthiness, and Outlook

大型音频语言模型综述:通用性、可信度与展望

Kaiwen Luo, Zhenhong Zhou, Leyan Wang, Liang Lin, Tianyu Shao, Yuanhe Zhang, Yang Xiao, Yuxuan Li, Miao Yu, Kailin Lyu, Jiaming Zhang, Li Sun, Songze Li, Yueming Wu, Ting Dang, Xiaojun Jia, Dongrui Liu, Kai Li, Rohan Kumar Das, Siyuan Liang, Xinfeng Li, Qiankun Li, Jing Chen, Xingjun Ma, Kun Wang, Junhao Dong, Deqing Zou, Yu Cheng, Xia Hu, Zhigang Zeng, Sen Su, Yang Liu, Yu-Gang Jiang, Philip S. Yu, Yew-Soon Ong

机构 * Nanyang Technological University(南洋理工大学) Independent Researcher(独立研究者) The University of Melbourne(墨尔本大学) North China Electric Power University(华北电力大学) Beijing University of Posts and Telecommunications(北京邮电大学) University of Chinese Academy of Sciences(中国科学院大学) University of Science and Technology of China(中国科学技术大学) Institute of Automation, Chinese Academy of Sciences(中国科学院自动化研究所) Shanghai AI Laboratory(上海人工智能实验室) Huazhong University of Science and Technology(华中科技大学) Tsinghua University(清华大学) Fortemedia Singapore(富媒体新加坡) Tencent(腾讯) Fudan University(复旦大学) Wuhan University(武汉大学) Chinese University of Hong Kong(香港中文大学) Chongqing University of Posts and Telecommunications(重庆邮电大学) University of Illinois Chicago(伊利诺伊大学芝加哥分校)

AI总结 本文综述了大型音频语言模型的通用性、可信度及未来发展方向,探讨了其架构创新、对齐算法及安全风险,并提出了防御深入、因果音频世界建模等策略以提升音频智能的可信度。

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2602.16144 2026-08-04 cs.CL cs.LG 版本更新

Missing-by-Design: Certifiable Modality Deletion for Revocable Multimodal Sentiment Analysis

缺失-by-设计:可撤销多模态情感分析的可验证模态删除

Rong Fu, Ziming Wang, Chunlei Meng, Jiekai Wu, Kangan Qian, Hao Zhang, Simon Fong

机构 * University of Macau(澳门大学) Zhejiang University(浙江大学) Fudan University(复旦大学) Shanghai AI Laboratory(上海人工智能实验室) Juntendo University(立命馆大学) Tsinghua University(清华大学) University of Chinese Academy of Sciences(中国科学院大学)

AI总结 本文提出MBD框架,通过结构化表示学习和可验证参数修改流程,实现可撤销多模态情感分析中的模态删除,实验表明其在不完整输入下具有强预测性能,并实现隐私与效用的平衡。

Comments 21 pages, 6 figures. In the previous version, Juntendo University was erroneously listed as the affiliation; we must clarify that this paper has absolutely no relation to Juntendo University. Therefore, we have replaced this affiliation in the new version

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2604.02817 2026-08-04 cs.CV 版本更新

MMPhysVideo: Physically Plausible Video Generation Through Joint RGB-Perception Modeling

MMPhysVideo: 通过联合多模态建模提升视频生成的物理合理性

Shubo Lin, Xuanyang Zhang, Wei Cheng, Weiming Hu, Gang Yu, Jin Gao

机构 * State Key Laboratory of Multimodal Artificial Intelligence Systems, CASIA(中国科学院自动化研究所多模态人工智能系统国家重点实验室) School of Artificial Intelligence, University of Chinese Academy of Sciences(中国科学院大学人工智能学院) StepFun(阶跃星辰) Beijing Key Laboratory of Super Intelligent Security of Multi-Modal Information(多模态信息超级智能安全北京市重点实验室) School of Information Science and Technology, Shanghai Tech University(上海科技大学信息科学与技术学院)

AI总结 MMPhysVideo通过联合多模态建模提升视频生成的物理合理性,将感知线索统一为伪RGB格式,提出双向控制教师架构以减少跨模态干扰,并通过MMPhysPipe构建物理丰富的多模态数据集,提升物理合理性和视觉质量。

Comments Project Page: https://shubolin028.github.io/MMPhysVideo-Page

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2603.08262 2026-08-04 cs.AI 版本更新

FinToolBench: Evaluating LLM Agents for Real-World Financial Tool Use

FinToolBench:评估LLM代理在真实金融工具使用中的表现

Jiaxuan Lu, Kong Wang, Yemin Wang, Qingmei Tang, Hongwei Zeng, Xiang Chen, Jiahao Pi, Shujian Deng, Lingzhi Chen, Yi Fu, Kehua Yang, Xiao Sun

机构 * Shanghai AI Laboratory(上海人工智能实验室) Hunan University(湖南大学) Xiamen University(厦门大学) Tencent(腾讯) UCAS(中国科学技术大学) Tongji University(同济大学)

AI总结 FinToolBench是首个评估金融工具学习代理真实世界表现的基准,通过760个可执行金融工具和295个严格查询,评估时效性、意图类型和合规性等关键维度。

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2603.07564 2026-08-04 cs.CV 版本更新

Geometric-Topological Perception and Motion Prior for Real-Time Satellite Video Object Tracking

SiamGM:基于几何感知和运动引导的实时卫星视频目标跟踪网络

Zixiao Wen, Guangyao Zhou, Jiawei Li, Xiantai Xiang, Zhen Yang, Yuxin Hu, Yuhan Liu

机构 * Aerospace Information Research Institute, Chinese Academy of Sciences(中国科学院航天信息研究所) Key Laboratory of Technology in Geo-Spatial Information Processing and Application System, Chinese Academy of Sciences(中国科学院地理空间信息处理与应用系统技术重点实验室) School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences(中国科学院大学电子、电气与通信工程学院)

AI总结 SiamGM通过几何感知和运动引导的孪生网络,实现高精度实时卫星视频目标跟踪,无需额外计算开销,达到每秒130帧的跟踪速度。

Comments This work has been submitted to Elsevier for possible publication

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