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University of Oxford(牛津大学)

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2506.06582 2025-06-10 cs.LG stat.ML

Demystifying Topological Message-Passing with Relational Structures: A Case Study on Oversquashing in Simplicial Message-Passing

Diaaeldin Taha, James Chapman, Marzieh Eidi, Karel Devriendt, Guido Montúfar

机构 * Max Planck Institute for Mathematics in the Sciences(马克斯·普朗克数学研究所) UCLA(加州大学洛杉矶分校) Center for Scalable Data Analytics and Artificial Intelligence(可扩展数据与人工智能中心) University of Oxford(牛津大学)

Comments 50 pages, 12 figures, published at ICLR 2025. The Thirteenth International Conference on Learning Representations. 2025

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2408.04713 2025-06-09 cs.LG cs.AI

DyGMamba: Efficiently Modeling Long-Term Temporal Dependency on Continuous-Time Dynamic Graphs with State Space Models

Zifeng Ding, Yifeng Li, Yuan He, Antonio Norelli, Jingcheng Wu, Volker Tresp, Michael Bronstein, Yunpu Ma

机构 * University of Cambridge(剑桥大学) Technical University of Munich(慕尼黑技术大学) University of Oxford(牛津大学) University of Stuttgart(斯图加特大学) LMU Munich(慕尼黑大学) Munich Center for Machine Learning(慕尼黑机器学习中心)

Comments Accepted to TMLR

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2506.05393 2025-06-09 cs.CL cs.LG

Are Large Language Models Good Temporal Graph Learners?

Shenyang Huang, Ali Parviz, Emma Kondrup, Zachary Yang, Zifeng Ding, Michael Bronstein, Reihaneh Rabbany, Guillaume Rabusseau

机构 * Mila - Quebec AI Institute(魁北克AI研究所) School of Computer Science, McGill University(麦吉尔大学计算机科学学院) University of Cambridge(剑桥大学) DIRO, Université de Montréal(蒙特利尔大学DIRO研究所) CIFAR AI Chair(CIFAR人工智能主席) New Jersey Institute of Technology(新泽西理工学院) University of Oxford(牛津大学) AITHYRA

Comments 9 pages, 9 tables, 4 figures

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2506.05313 2025-06-06 cs.CV

MARBLE: Material Recomposition and Blending in CLIP-Space

Ta-Ying Cheng, Prafull Sharma, Mark Boss, Varun Jampani

机构 * University of Oxford(牛津大学) MIT CSAIL(麻省理工学院计算机科学与人工智能实验室) Stability AI

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2506.04224 2025-06-05 cs.CV

Seeing in the Dark: Benchmarking Egocentric 3D Vision with the Oxford Day-and-Night Dataset

Zirui Wang, Wenjing Bian, Xinghui Li, Yifu Tao, Jianeng Wang, Maurice Fallon, Victor Adrian Prisacariu

机构 * Active Vision Lab(主动视觉实验室) Dynamic Robot Systems Group(动态机器人系统组) University of Oxford(牛津大学)

Comments Project page: https://oxdan.active.vision/

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2506.03618 2025-06-05 cs.LG cs.AI

GCFL: A Gradient Correction-based Federated Learning Framework for Privacy-preserving CPSS

Jiayi Wan, Xiang Zhu, Fanzhen Liu, Wei Fan, Xiaolong Xu

机构 * School of Software Engineering, Nanjing University of Information Science and Technology(南京信息工程大学软件学院) College of Meteorology and Oceanography, National University of Defense Technology(国防科技大学气象海洋学院) CSIRO’s Data61(澳大利亚CSIRO数据61研究所) Medical Sciences Division, University of Oxford(牛津大学医学科学学院) Jiangsu Province Engineering Research Center of Advanced Computing and Intelligent Services(江苏省先进计算与智能服务工程研究中心) Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology(江苏省大气环境与装备技术协同创新中心) Nanjing University of Information Science and Technology(南京信息工程大学) State Key Laboratory for Novel Software Technology, Nanjing University(南京大学新型软件技术国家重点实验室)

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2505.23637 2025-06-05 cs.CV cs.AI

Comparing the Effects of Persistence Barcodes Aggregation and Feature Concatenation on Medical Imaging

Dashti A. Ali, Richard K. G. Do, William R. Jarnagin, Aras T. Asaad, Amber L. Simpson

机构 * School of Computing, Queen’s University, Kingston, ON, Canada(女王大学计算学院) Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, USA(纪念 Sloan Kettering 癌症中心放射科) Hepatopancreatobiliary Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, USA(纪念 Sloan Kettering 癌症中心肝胆外科) Mathematical Institute, Oxford University, Oxford, United Kingdom(牛津大学数学研究所) Department of Biomedical and Molecular Sciences, Queen’s University, Kingston, ON, Canada(女王大学生物医学与分子科学系)

Comments 16 pages, 8 figures

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2503.21224 2025-06-05 cs.LG math.OC math.PR stat.ML

Efficient Learning for Entropy-Regularized Markov Decision Processes via Multilevel Monte Carlo

Matthieu Meunier, Christoph Reisinger, Yufei Zhang

机构 * Mathematical Institute, University of Oxford(牛津大学数学研究所) Department of Mathematics, Imperial College London(伦敦帝国学院数学系)

Comments 46 pages, 6 figures; improved bound on bias of the plain MC estimator of T

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2506.03150 2025-06-04 cs.CV cs.AI cs.LG cs.MM

IllumiCraft: Unified Geometry and Illumination Diffusion for Controllable Video Generation

Yuanze Lin, Yi-Wen Chen, Yi-Hsuan Tsai, Ronald Clark, Ming-Hsuan Yang

机构 * University of Oxford(牛津大学) UC Merced(加州大学默塞德分校) NEC Labs America(NEC美国实验室) Atmanity Inc.(Atmanity公司) Google DeepMind Project(谷歌DeepMind项目)

Comments Tech Report

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2505.07802 2025-06-04 cs.RO cs.AI cs.LG

Improving Trajectory Stitching with Flow Models

Reece O'Mahoney, Wanming Yu, Ioannis Havoutis

机构 * Oxford Robotics Institute(牛津机器人研究所) University of Oxford(牛津大学)

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2411.08832 2025-06-04 cs.RO cs.AI cs.LG

Offline Adaptation of Quadruped Locomotion using Diffusion Models

Reece O'Mahoney, Alexander L. Mitchell, Wanming Yu, Ingmar Posner, Ioannis Havoutis

机构 * Oxford Robotics Institute, Department of Engineering Science, University of Oxford(牛津机器人研究所、工程科学系、牛津大学)

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2506.02555 2025-06-04 cs.CV

SurgVLM: A Large Vision-Language Model and Systematic Evaluation Benchmark for Surgical Intelligence

Zhitao Zeng, Zhu Zhuo, Xiaojun Jia, Erli Zhang, Junde Wu, Jiaan Zhang, Yuxuan Wang, Chang Han Low, Jian Jiang, Zilong Zheng, Xiaochun Cao, Yutong Ban, Qi Dou, Yang Liu, Yueming Jin

机构 * National University of Singapore(新加坡国立大学) Nanyang Technological University(南洋理工大学) University of Oxford(牛津大学) State Key Laboratory of General Artificial Intelligence, BIGAI(通用人工智能国家重点实验室,BIGAI) Shanghai Jiao Tong University(上海交通大学) Sun Yat-sen University(中山大学) The Chinese University of Hong Kong(香港中文大学)

Comments 29 pages, 5 figures

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2506.02098 2025-06-04 cs.LG

LibriBrain: Over 50 Hours of Within-Subject MEG to Improve Speech Decoding Methods at Scale

Miran Özdogan, Gilad Landau, Gereon Elvers, Dulhan Jayalath, Pratik Somaiya, Francesco Mantegna, Mark Woolrich, Oiwi Parker Jones

机构 * PNPL , Department of Engineering Science, University of Oxford, UK(牛津大学工程科学系,牛津大学)

Comments 37 pages, 14 figures, 13 tables. Under review

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2502.19971 2025-06-04 quant-ph cs.AI

Efficient and Universal Neural-Network Decoder for Stabilizer-Based Quantum Error Correction

Gengyuan Hu, Wanli Ouyang, Chao-Yang Lu, Chen Lin, Han-Sen Zhong

机构 * Shanghai Artificial Intelligence Laboratory(上海人工智能实验室) Department of Information Engineering, The Chinese University of Hong Kong(信息工程系,香港中文大学) Hefei National Research Center for Physical Sciences at the Microscale and School of Physical Sciences, University of Science and Technology of China(微尺度物理科学国家研究中心和中国科学技术大学物理科学学院) CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China(中国科学技术大学量子信息与量子物理 excellence 中心) Hefei National Laboratory, University of Science and Technology of China(中国科学技术大学微尺度国家实验室) Shanghai Research Center for Quantum Sciences, Shanghai(上海量子科学研究中心) Department of Engineering, University of Oxford(工程系,牛津大学) Shanghai Innovation Institute(上海创新研究院)

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2411.15462 2025-06-04 cs.CL

HateDay: Insights from a Global Hate Speech Dataset Representative of a Day on Twitter

Manuel Tonneau, Diyi Liu, Niyati Malhotra, Scott A. Hale, Samuel P. Fraiberger, Victor Orozco-Olvera, Paul Röttger

机构 * University of Oxford(牛津大学) World Bank(世界银行) New York University(纽约大学) Meedan Bocconi University(博科尼大学)

Comments ACL 2025 main conference. Data available at https://huggingface.co/datasets/manueltonneau/hateday

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2410.08201 2025-06-04 cs.LG

Efficient Dictionary Learning with Switch Sparse Autoencoders

Anish Mudide, Joshua Engels, Eric J. Michaud, Max Tegmark, Christian Schroeder de Witt

机构 * Massachusetts Institute of Technology(麻省理工学院) University of Oxford(牛津大学)

Comments Code available at https://github.com/amudide/switch_sae

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2506.01718 2025-06-03 stat.ML cs.LG math.DS

Signature Maximum Mean Discrepancy Two-Sample Statistical Tests

Andrew Alden, Blanka Horvath, Zacharia Issa

机构 * Department of Informatics(信息学系) King’s College London(伦敦国王学院) Department of Mathematics(数学系) University of Oxford(牛津大学)

Comments 45 pages, 19 figures

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2506.00688 2025-06-03 cs.LG cs.AI cs.CL

Existing Large Language Model Unlearning Evaluations Are Inconclusive

Zhili Feng, Yixuan Even Xu, Alexander Robey, Robert Kirk, Xander Davies, Yarin Gal, Avi Schwarzschild, J. Zico Kolter

机构 * Carnegie Mellon University(卡内基梅隆大学) UK AI Security Institute(英国人工智能安全研究所) University of Oxford(牛津大学)

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2406.17764 2025-06-03 cs.CL cs.AI

BMIKE-53: Investigating Cross-Lingual Knowledge Editing with In-Context Learning

Ercong Nie, Bo Shao, Zifeng Ding, Mingyang Wang, Helmut Schmid, Hinrich Schütze

机构 * LMU Munich(慕尼黑大学) Munich Center for Machine Learning(慕尼黑机器学习中心) Technical University of Munich(慕尼黑技术大学) Bosch Center for Artificial Intelligence(博世人工智能中心) University of Oxford(牛津大学) CISPA Helmholtz Center for Information Security(CISPA海德堡信息安全中心)

Comments Accepted to ACL 2025

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2406.04343 2025-06-03 cs.CV

Flash3D: Feed-Forward Generalisable 3D Scene Reconstruction from a Single Image

Stanislaw Szymanowicz, Eldar Insafutdinov, Chuanxia Zheng, Dylan Campbell, João F. Henriques, Christian Rupprecht, Andrea Vedaldi

机构 * VGG, University of Oxford(视觉感知小组、牛津大学) Australian National University(澳大利亚国立大学)

Comments Project page: https://www.robots.ox.ac.uk/~vgg/research/flash3d/

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2404.02926 2025-06-03 cs.LG math.AP

Log-PDE Methods for Rough Signature Kernels

Maud Lemercier, Terry Lyons, Cristopher Salvi

机构 * Mathematical Institute, University of Oxford(牛津大学数学研究所) Department of Mathematics, Imperial College London(伦敦帝国理工学院数学系)

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2207.06418 2025-06-03 eess.IV cs.CV cs.LG stat.AP

Open High-Resolution Satellite Imagery: The WorldStrat Dataset -- With Application to Super-Resolution

Julien Cornebise, Ivan Oršolić, Freddie Kalaitzis

机构 * University College London(伦敦大学学院) Why How Ltd(Why How有限公司) University of Oxford(牛津大学)

Comments Published in 36th Conference on Neural Information Processing Systems (NeurIPS 2022) Track on Datasets and Benchmarks

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2505.24060 2025-06-02 cs.LG stat.ML

Characterising the Inductive Biases of Neural Networks on Boolean Data

Chris Mingard, Lukas Seier, Niclas Göring, Andrei-Vlad Badelita, Charles London, Ard Louis

机构 * Department of Theoretical Physics, University of Oxford, UK(理论物理系,牛津大学) Department of Theoretical Chemistry, University of Oxford, UK(理论化学系,牛津大学) Green Templeton College, University of Oxford, UK(格林·泰尔顿学院,牛津大学) Department of Computer Science, University of Oxford, UK(计算机科学系,牛津大学)

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2505.23854 2025-06-02 cs.CL cs.AI cs.LG

Revisiting Uncertainty Estimation and Calibration of Large Language Models

Linwei Tao, Yi-Fan Yeh, Minjing Dong, Tao Huang, Philip Torr, Chang Xu

机构 * School of Computer Science University of Sydney(悉尼大学计算机科学学院) City University of Hong Kong(香港城市大学) Shanghai Jiao Tong University(上海交通大学) Department of Engineering Science University of Oxford(牛津大学工程科学系)

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2505.23597 2025-05-30 cs.CV

Bridging Classical and Modern Computer Vision: PerceptiveNet for Tree Crown Semantic Segmentation

Georgios Voulgaris

机构 * University of Oxford(牛津大学)

Comments Accepted for publication at the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) EarthVision

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2505.22907 2025-05-30 cs.CY cs.CL

Conversational Alignment with Artificial Intelligence in Context

Rachel Katharine Sterken, James Ravi Kirkpatrick

机构 * University of Hong Kong(香港大学) University of Oxford(牛津大学) Magdalen College, Oxford(牛津大学玛格丽特学院)

Comments 20 pages, to be published in Philosophical Perspectives

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2505.22513 2025-05-29 cs.GT cs.AI

Strengthening Proportionality in Temporal Voting

Bradley Phillips, Edith Elkind, Nicholas Teh, Tomasz Wąs

机构 * University of Oxford, UK(牛津大学) Northwestern University, USA(西北大学)

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2505.22326 2025-05-29 stat.ML cs.LG

Individualised Counterfactual Examples Using Conformal Prediction Intervals

James M. Adams, Gesine Reinert, Lukasz Szpruch, Carsten Maple, Andrew Elliott

机构 * The Alan Turing Institute(阿尔法·图灵研究院) Department of Statistics, University of Oxford(牛津大学统计学系) University Of Edinburgh(爱丁堡大学) University Of Warwick(沃里克大学) School of Mathematics and Statistics, University of Glasgow(格拉斯哥大学数学与统计学学院)

Comments Submitted to Conformal and Probabilistic Predictions With Applications (COPA) 2025

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2505.22222 2025-05-29 cs.CV cs.CL

Look & Mark: Leveraging Radiologist Eye Fixations and Bounding boxes in Multimodal Large Language Models for Chest X-ray Report Generation

Yunsoo Kim, Jinge Wu, Su-Hwan Kim, Pardeep Vasudev, Jiashu Shen, Honghan Wu

机构 * UCL(伦敦大学学院) Technical University of Munich(慕尼黑技术大学) University of Oxford(牛津大学) University of Glasgow(格拉斯哥大学)

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2505.21547 2025-05-29 cs.CV cs.AI

Image Tokens Matter: Mitigating Hallucination in Discrete Tokenizer-based Large Vision-Language Models via Latent Editing

Weixing Wang, Zifeng Ding, Jindong Gu, Rui Cao, Christoph Meinel, Gerard de Melo, Haojin Yang

机构 * Hasso Plattner Institute(霍普夫纳研究所) University of Potsdam(波茨坦大学) University of Cambridge(剑桥大学) University of Oxford(牛津大学) German University of Digital Science(德国数字科学大学)

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