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Peking University(北京大学)

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2505.10494 2025-05-16 cs.CL

Can You Really Trust Code Copilots? Evaluating Large Language Models from a Code Security Perspective

Yutao Mou, Xiao Deng, Yuxiao Luo, Shikun Zhang, Wei Ye

机构 * National Engineering Research Center for Software Engineering, Peking University, China(软件工程国家工程研究中心,北京大学)

Comments Accepted by ACL2025 Main Conference

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2505.10351 2025-05-16 cs.CV

A Unified and Scalable Membership Inference Method for Visual Self-supervised Encoder via Part-aware Capability

Jie Zhu, Jirong Zha, Ding Li, Leye Wang

机构 * Key Lab of High Confidence Software Technologies (Peking University)(高可信软件技术重点实验室(北京大学)) Ministry of Education(教育部) School of Computer Science(计算机学院) Peking University(北京大学) Tsinghua University(清华大学)

Comments An extension of our ACM CCS2024 conference paper (arXiv:2404.02462). We show the impacts of scaling from both data and model aspects on membership inference for self-supervised visual encoders

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2505.10218 2025-05-16 cs.CL

RAIDEN-R1: Improving Role-awareness of LLMs via GRPO with Verifiable Reward

Zongsheng Wang, Kaili Sun, Bowen Wu, Qun Yu, Ying Li, Baoxun Wang

机构 * Platform and Content Group, Tencent(腾讯平台与内容部) School of Software & Microelectronics, Peking University(北京大学软件与微电子学院)

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2505.10144 2025-05-16 cs.GR cs.CV

VRSplat: Fast and Robust Gaussian Splatting for Virtual Reality

Xuechang Tu, Lukas Radl, Michael Steiner, Markus Steinberger, Bernhard Kerbl, Fernando de la Torre

机构 * Peking University(北京大学) Graz University of Technology(格拉茨大学) Carnegie Mellon University(卡内基梅隆大学)

Comments I3D'25 (PACMCGIT); Project Page: https://cekavis.site/VRSplat/

Journal ref Proc. ACM Comput. Graph. Interact. Tech., volume 8(1), May 2025

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2505.07247 2025-05-16 cs.CL cs.AI

SAS-Bench: A Fine-Grained Benchmark for Evaluating Short Answer Scoring with Large Language Models

Peichao Lai, Kexuan Zhang, Yi Lin, Linyihan Zhang, Feiyang Ye, Jinhao Yan, Yanwei Xu, Conghui He, Yilei Wang, Wentao Zhang, Bin Cui

机构 * Peking University(北京大学) Fuzhou University(福州市大学) Hunan University(湖南大学) Shanghai AI Laboratory(上海人工智能实验室)

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2505.04553 2025-05-16 q-fin.MF cs.AI q-fin.RM

Risk-sensitive Reinforcement Learning Based on Convex Scoring Functions

Shanyu Han, Yang Liu, Xiang Yu

机构 * School of Mathematical Sciences, Peking University(北京大学数学科学学院) School of Science and Engineering, The Chinese University of Hong Kong (Shenzhen)(香港中文大学(深圳)科学与工程学院) Department of Applied Mathematics, The Hong Kong Polytechnic University(香港理工大学应用数学系)

Comments 35 pages

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2406.02069 2025-05-16 cs.CL cs.AI

PyramidKV: Dynamic KV Cache Compression based on Pyramidal Information Funneling

Zefan Cai, Yichi Zhang, Bofei Gao, Yuliang Liu, Yucheng Li, Tianyu Liu, Keming Lu, Wayne Xiong, Yue Dong, Junjie Hu, Wen Xiao

机构 * University of Wisconsin - Madison(威斯康星大学麦迪逊分校) Peking University(北京大学) Nanjing University(南京大学) University of Surrey(Surrey 大学) Qwen(通义实验室) University of California - Riverside(加州大学河滨分校) Microsoft(微软公司)

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2503.16112 2025-05-16 cs.NI cs.AI cs.MM

PromptMobile: Efficient Promptus for Low Bandwidth Mobile Video Streaming

Liming Liu, Jiangkai Wu, Haoyang Wang, Peiheng Wang, Zongming Guo, Xinggong Zhang

机构 * Peking University(北京大学)

Comments 6 pages (excluding references), 10 figures, to appear in APNET 2025

Journal ref Proc. 9th Asia-Pacific Workshop on Networking (APNET), Aug 2025, Paper No. 24

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2409.08946 2025-05-16 cs.LG cs.SI

DELTA: Dual Consistency Delving with Topological Uncertainty for Active Graph Domain Adaptation

Pengyun Wang, Yadi Cao, Chris Russell, Yanxin Shen, Junyu Luo, Ming Zhang, Siyu Heng, Xiao Luo

机构 * Oxford Internet Institute, University of Oxford(牛津大学互联网研究所) Department of Computer Science and Engineering, University of California, San Diego(加州大学圣地亚哥分校计算机科学与工程系) School of Economics, Nankai University(南开大学经济学院) School of Computer Science, Peking University(北京大学计算机学院) Department of Biostatistics, School of Global Public Health, New York University(纽约大学全球公共卫生学院生物统计学系) Department of Computer Science, University of California, Los Angeles(加州大学洛杉矶分校计算机科学系)

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2505.08849 2025-05-15 cs.CR cs.AI cs.LG

Improved Algorithms for Differentially Private Language Model Alignment

Keyu Chen, Hao Tang, Qinglin Liu, Yizhao Xu

机构 * Peking University(北京大学)

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2505.08550 2025-05-15 cs.LG stat.ML

OLinear: A Linear Model for Time Series Forecasting in Orthogonally Transformed Domain

Wenzhen Yue, Yong Liu, Haoxuan Li, Hao Wang, Xianghua Ying, Ruohao Guo, Bowei Xing, Ji Shi

机构 * State Key Laboratory of General AI Peking University(人工智能通用基础研究国家重点实验室,北京大学) School of Software, BNRist Tsinghua University(清华大学软件学院,北京人工智能研究院) Center for Data Science Peking University(北京大学数据科学中心) Department of Control Science and Engineering Zhejiang University(浙江大学控制科学与工程学院)

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2402.01383 2025-05-15 cs.CL

LLM-based NLG Evaluation: Current Status and Challenges

Mingqi Gao, Xinyu Hu, Jie Ruan, Xiao Pu, Xiaojun Wan

机构 * Peking University(北京大学)

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2505.07865 2025-05-14 q-bio.QM cs.AI cs.CL q-bio.CB

CellVerse: Do Large Language Models Really Understand Cell Biology?

Fan Zhang, Tianyu Liu, Zhihong Zhu, Hao Wu, Haixin Wang, Donghao Zhou, Yefeng Zheng, Kun Wang, Xian Wu, Pheng-Ann Heng

机构 * CUHK(香港中文大学) Yale University(耶鲁大学) Peking University(北京大学) Tsinghua University(清华大学) UCLA(加州大学洛杉矶分校) Westlake University(西湖大学) NTU(南洋理工大学) Tencent(腾讯)

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2504.21650 2025-05-14 cs.CV

HoloTime: Taming Video Diffusion Models for Panoramic 4D Scene Generation

Haiyang Zhou, Wangbo Yu, Jiawen Guan, Xinhua Cheng, Yonghong Tian, Li Yuan

机构 * School of Electronic and Computer Engineering, Peking University(北京大学电子与计算机工程学院) Peng Cheng Laboratory(鹏城实验室) Harbin Institute of Technology, Shenzhen(哈尔滨工业大学(深圳))

Comments Project Homepage: https://zhouhyocean.github.io/holotime/ Code: https://github.com/PKU-YuanGroup/HoloTime

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2502.14172 2025-05-14 stat.ML cs.LG

A Finite Sample Analysis of Distributional TD Learning with Linear Function Approximation

Yang Peng, Kaicheng Jin, Liangyu Zhang, Zhihua Zhang

机构 * School of Mathematical Sciences, Peking University(北京大学数学科学学院) School of Statistics and Data Science, Shanghai University of Finance and Economics(上海财经大学统计与数据科学学院)

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2505.07071 2025-05-13 cs.CV

Semantic-Guided Diffusion Model for Single-Step Image Super-Resolution

Zihang Liu, Zhenyu Zhang, Hao Tang

机构 * Beijing Institute of Technology(北京理工大学) Nanjing University(南京大学) School of Computer Science, Peking University(北京大学计算机学院)

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2505.07057 2025-05-13 cs.CV

DAPE: Dual-Stage Parameter-Efficient Fine-Tuning for Consistent Video Editing with Diffusion Models

Junhao Xia, Chaoyang Zhang, Yecheng Zhang, Chengyang Zhou, Zhichang Wang, Bochun Liu, Dongshuo Yin

机构 * Tsinghua University(清华大学) Duke University(杜克大学) Peking University(北京大学)

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2505.06302 2025-05-13 cs.LG cs.AI

QiMeng-TensorOp: Automatically Generating High-Performance Tensor Operators with Hardware Primitives

Xuzhi Zhang, Shaohui Peng, Qirui Zhou, Yuanbo Wen, Qi Guo, Ruizhi Chen, Xinguo Zhu, Weiqiang Xiong, Haixin Chen, Congying Ma, Ke Gao, Chen Zhao, Yanjun Wu, Yunji Chen, Ling Li

机构 * Institute of Software Chinese Academy of Sciences(中国科学院软件研究所) Institute of Computing Technology, Chinese Academy of Sciences(中国科学院计算技术研究所) Peking University(北京大学)

Comments 10 pages, 5 figures

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2503.12533 2025-05-13 cs.RO cs.LG

Being-0: A Humanoid Robotic Agent with Vision-Language Models and Modular Skills

Haoqi Yuan, Yu Bai, Yuhui Fu, Bohan Zhou, Yicheng Feng, Xinrun Xu, Yi Zhan, Börje F. Karlsson, Zongqing Lu

机构 * Peking University(北京大学) BAAI(百度人工智能研究院) BeingBeyond

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2412.01818 2025-05-13 cs.CV cs.AI

Beyond Text-Visual Attention: Exploiting Visual Cues for Effective Token Pruning in VLMs

Qizhe Zhang, Aosong Cheng, Ming Lu, Renrui Zhang, Zhiyong Zhuo, Jiajun Cao, Shaobo Guo, Qi She, Shanghang Zhang

机构 * National Key Laboratory for Multimedia Information Processing, School of Computer Science, Peking University(国家多媒体信息处理重点实验室,计算机科学学院,北京大学) ByteDance(字节跳动) Intel Labs China(英特尔中国实验室) CUHK MMLab(香港中文大学MMLab)

Comments 18 pages, 9 figures, code: https://github.com/Theia-4869/VisPruner, project page: https://theia-4869.github.io/VisPruner

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2406.13200 2025-05-13 cs.LG

RobGC: Towards Robust Graph Condensation

Xinyi Gao, Hongzhi Yin, Tong Chen, Guanhua Ye, Wentao Zhang, Bin Cui

机构 * School of Electrical Engineering and Computer Science, the University of Queensland(电气工程与计算机科学学院,昆士兰大学) School of Computer Science, Beijing University of Posts and Telecommunications(计算机科学学院,北京邮电大学) Center for Machine Learning Research, Peking University(机器学习研究中心,北京大学) School of Computer Science, Peking University(计算机科学学院,北京大学)

Comments Accepted by TKDE 2025

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2505.06023 2025-05-12 cs.LG cs.AI math.OC

Universal Approximation Theorem for Deep Q-Learning via FBSDE System

Qian Qi

机构 * School of Computer Science, Peking University(计算机学院,北京大学)

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2505.05829 2025-05-12 cs.CV cs.LG eess.IV

Accelerating Diffusion Transformer via Increment-Calibrated Caching with Channel-Aware Singular Value Decomposition

Zhiyuan Chen, Keyi Li, Yifan Jia, Le Ye, Yufei Ma

机构 * Peking University(北京大学)

Comments accepted by CVPR2025

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2505.05505 2025-05-12 cs.CV eess.IV

Apply Hierarchical-Chain-of-Generation to Complex Attributes Text-to-3D Generation

Yiming Qin, Zhu Xu, Yang Liu

机构 * Wangxuan Institute of Computer Technology, Peking University(北京大学计算机技术研究院)

Comments Project page here: https://hierarchical-chain-of-generation.github.io/

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2505.04994 2025-05-09 cs.CL cs.AI

Rethinking Invariance in In-context Learning

Lizhe Fang, Yifei Wang, Khashayar Gatmiry, Lei Fang, Yisen Wang

机构 * State Key Lab of General Artificial Intelligence, School of Intelligence Science and Technology, Peking University(人工智能通用智能国家重点实验室,智能科学与技术学院,北京大学) MIT CSAIL(麻省理工学院计算机科学与人工智能实验室) School of Economics, Peking University(经济学院,北京大学) Institute for Artificial Intelligence, Peking University(人工智能研究院,北京大学)

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2505.04955 2025-05-09 cs.CL cs.AI

Chain-of-Thought Tokens are Computer Program Variables

Fangwei Zhu, Peiyi Wang, Zhifang Sui

机构 * School of Computer Science, State Key Laboratory of Multimedia Information Processing, Peking University(计算机科学学院、多媒体信息处理国家重点实验室、北京大学)

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2505.04723 2025-05-09 cs.CL

SOAEsV2-7B/72B: Full-Pipeline Optimization for State-Owned Enterprise LLMs via Continual Pre-Training, Domain-Progressive SFT and Distillation-Enhanced Speculative Decoding

Jingyang Deng, Ran Chen, Jo-Ku Cheng, Jinwen Ma

机构 * School of Mathematical Sciences and LMAM, Peking University(数学科学学院和LMAM,北京大学)

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2505.04628 2025-05-09 cs.CL cs.AI cs.SI

How Social is It? A Benchmark for LLMs' Capabilities in Multi-user Multi-turn Social Agent Tasks

Yusen Wu, Junwu Xiong, Xiaotie Deng

机构 * School of Computer Science, Peking University(北京大学计算机学院) Ant Group Co., Ltd(蚂蚁集团有限公司)

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2504.10146 2025-05-09 cs.LG cs.AI

GeoUni: A Unified Model for Generating Geometry Diagrams, Problems and Problem Solutions

Jo-Ku Cheng, Zeren Zhang, Ran Chen, Jingyang Deng, Ziran Qin, Jinwen Ma

机构 * School of Mathematical Sciences, Peking University(北京大学数学科学学院) School of Electronic, Information and Electrical Engineering, Shanghai Jiao Tong University(上海交通大学电子信息与电气工程学院)

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2410.02236 2025-05-09 cs.LG cs.SY eess.SY

C-MORL: Multi-Objective Reinforcement Learning through Efficient Discovery of Pareto Front

Ruohong Liu, Yuxin Pan, Linjie Xu, Lei Song, Jiang Bian, Pengcheng You, Yize Chen

机构 * University of Oxford(牛津大学) The Hong Kong University of Science and Technology(香港科学与技术大学) Queen Mary University of London(伦敦大学玛丽女王学院) Microsoft Research Asia(微软亚洲研究院) Peking University(北京大学) University of Alberta(阿尔伯塔大学)

Comments Published as a conference paper at ICLR 2025. Code available at https://github.com/RuohLiuq/C-MORL

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