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University of Oxford(牛津大学)

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2111.07243 2025-06-19 stat.CO cs.LG stat.ML

Simulating Diffusion Bridges with Score Matching

Jeremy Heng, Valentin De Bortoli, Arnaud Doucet, James Thornton

机构 * ESSEC Business School(ESSEC商学院) Center for Science of Data, ENS Ulm(数据科学中心,ENS乌姆) University of Oxford(牛津大学) Department of Statistics(统计系)

Comments Revised

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2506.13986 2025-06-18 cs.RO

Diffusion-based Inverse Observation Model for Artificial Skin

Ante Maric, Julius Jankowski, Giammarco Caroleo, Alessandro Albini, Perla Maiolino, Sylvain Calinon

机构 * Idiap Research Institute(Idiap研究机构) École Polytechnique Fédérale de Lausanne (EPFL)(瑞士联邦理工学院(EPFL)) Oxford Robotics Institute (ORI), University of Oxford(牛津大学机器人研究所)

Comments Accepted to RSS 2025 workshop on Navigating Contact Dynamics in Robotics

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2506.13651 2025-06-17 cs.LG

xbench: Tracking Agents Productivity Scaling with Profession-Aligned Real-World Evaluations

Kaiyuan Chen, Yixin Ren, Yang Liu, Xiaobo Hu, Haotong Tian, Tianbao Xie, Fangfu Liu, Haoye Zhang, Hongzhang Liu, Yuan Gong, Chen Sun, Han Hou, Hui Yang, James Pan, Jianan Lou, Jiayi Mao, Jizheng Liu, Jinpeng Li, Kangyi Liu, Kenkun Liu, Rui Wang, Run Li, Tong Niu, Wenlong Zhang, Wenqi Yan, Xuanzheng Wang, Yuchen Zhang, Yi-Hsin Hung, Yuan Jiang, Zexuan Liu, Zihan Yin, Zijian Ma, Zhiwen Mo

机构 * Carnegie Mellon University(卡内基梅隆大学) Fudan University(复旦大学) Imperial College London(伦敦帝国学院) Massachusetts Institute of Technology(麻省理工学院) National University of Singapore(新加坡国立大学) Peking University(北京大学) Shanghai Jiao Tong University(上海交通大学) Stanford University(斯坦福大学) The Chinese University of Hong Kong (Shenzhen)(香港中文大学(深圳)) The Ohio State University(俄亥俄州立大学) Tsinghua University(清华大学) University of Chinese Academy of Sciences(中国科学院大学) University of Oxford(牛津大学) University of Pennsylvania(宾夕法尼亚大学) University of Science and Technology of China(中国科学技术大学) University of Sydney(悉尼大学) University of Toronto(多伦多大学) Yale University(耶鲁大学)

Comments Project page: https://xbench.org

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2506.13187 2025-06-17 cs.LG cs.AI cs.CL cs.CV

Dynamic Context-oriented Decomposition for Task-aware Low-rank Adaptation with Less Forgetting and Faster Convergence

Yibo Yang, Sihao Liu, Chuan Rao, Bang An, Tiancheng Shen, Philip H. S. Torr, Ming-Hsuan Yang, Bernard Ghanem

机构 * King Abdullah University of Science and Technology, Saudi Arabia(卡布尔大学) University of California, Merced, USA(加州大学梅尔德分校) University of Oxford, U.K.(牛津大学)

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2506.12544 2025-06-17 eess.SY cs.RO cs.SY

Constrained Diffusers for Safe Planning and Control

Jichen Zhang, Liqun Zhao, Antonis Papachristodoulou, Jack Umenberger

机构 * University of Oxford(牛津大学)

Comments 12 pages, 5 figures

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2502.09172 2025-06-17 cs.LG cs.CE q-fin.CP q-fin.TR

LOB-Bench: Benchmarking Generative AI for Finance -- an Application to Limit Order Book Data

Peer Nagy, Sascha Frey, Kang Li, Bidipta Sarkar, Svitlana Vyetrenko, Stefan Zohren, Ani Calinescu, Jakob Foerster

机构 * Oxford-Man Institute of Quantitative Finance, University of Oxford(牛津大学量化金融研究所) Department of Computer Science, University of Oxford(牛津大学计算机科学系) Department of Statistics, University of Oxford(牛津大学统计学系) Foerster Lab for AI Research, University of Oxford(福尔斯特人工智能研究实验室) J.P. Morgan AI Research(摩根大通人工智能研究)

Journal ref Proceedings of the 42nd International Conference on Machine Learning, Vancouver, Canada. PMLR 267, 2025

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2410.07799 2025-06-17 cs.LG stat.ML

Mind the Gap: a Spectral Analysis of Rank Collapse and Signal Propagation in Attention Layers

Thiziri Nait Saada, Alireza Naderi, Jared Tanner

机构 * Mathematical Institute, University of Oxford(牛津大学数学研究所)

Comments International Conference on Machine Learning

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2506.11381 2025-06-16 cs.CL cs.AI

A Variational Approach for Mitigating Entity Bias in Relation Extraction

Samuel Mensah, Elena Kochkina, Jabez Magomere, Joy Prakash Sain, Simerjot Kaur, Charese Smiley

机构 * JP Morgan AI Research(摩根大通AI研究) University of Oxford(牛津大学)

Comments Accepted at ACL 2025 Main

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2506.11116 2025-06-16 cs.CL cs.AI

Infinity Instruct: Scaling Instruction Selection and Synthesis to Enhance Language Models

Jijie Li, Li Du, Hanyu Zhao, Bo-wen Zhang, Liangdong Wang, Boyan Gao, Guang Liu, Yonghua Lin

机构 * Beijing Academy of Artificial Intelligence(北京人工智能研究院) University of Oxford(牛津大学)

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2502.01925 2025-06-16 cs.CL cs.CR cs.LG

PANDAS: Improving Many-shot Jailbreaking via Positive Affirmation, Negative Demonstration, and Adaptive Sampling

Avery Ma, Yangchen Pan, Amir-massoud Farahmand

机构 * University of Toronto, Vector Institute(多伦多大学,向量研究所) University of Oxford(牛津大学) Polytechnique Montréal, Mila - Quebec AI Institute, University of Toronto(蒙特利尔理工学院,魁北克人工智能研究所,多伦多大学)

Comments Accepted at ICML 2025 (Spotlight). Code: https://github.com/averyma/pandas

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2506.05466 2025-06-13 cs.CV

Towards Reliable Identification of Diffusion-based Image Manipulations

Alex Costanzino, Woody Bayliss, Juil Sock, Marc Gorriz Blanch, Danijela Horak, Ivan Laptev, Philip Torr, Fabio Pizzati

机构 * University of Bologna(博洛尼亚大学) BBC AI(BBC人工智能部门) MBZUAI(马克斯·普朗克人工智能研究所) University of Oxford(牛津大学)

Comments Project page at https://alex-costanzino.github.io/radar/

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2411.03021 2025-06-13 cs.LG stat.AP stat.ME stat.ML

Testing Generalizability in Causal Inference

Daniel de Vassimon Manela, Linying Yang, Robin J. Evans

机构 * Department of Statistics, University of Oxford(统计系,牛津大学) Pioneer Centre for SMARTbiomed, University of Oxford(SMARTbiomed研究中心,牛津大学)

Comments 17 pages, 10 figures, In Proceedings for UAI 2025

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2506.08700 2025-06-12 cs.CL cs.CV

ClimateViz: A Benchmark for Statistical Reasoning and Fact Verification on Scientific Charts

Ruiran Su, Jiasheng Si, Zhijiang Guo, Janet B. Pierrehumbert

机构 * University of Oxford(牛津大学) Qilu University of Technology(Shandong Academy of Sciences)(齐鲁工业大学(山东科学院)) Hong Kong University of Science and Technology(香港科学大学) Hong Kong University of Science and Technology (Guangzhou)(香港科学大学(广州))

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2409.19149 2025-06-12 cs.CV cs.AI cs.CR cs.LG

Multimodal Pragmatic Jailbreak on Text-to-image Models

Tong Liu, Zhixin Lai, Jiawen Wang, Gengyuan Zhang, Shuo Chen, Philip Torr, Vera Demberg, Volker Tresp, Jindong Gu

机构 * LMU Munich, Germany(慕尼黑大学) Munich Center for Machine Learning, Germany(慕尼黑机器学习中心) Saarland University, Germany(萨尔兰大学) Max Planck Institute for Informatics, Germany(马克斯·普朗克信息研究所) Cornell University, USA(康奈尔大学) University of Oxford, UK(牛津大学)

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2007.02527 2025-06-12 cs.AI

Goal Kernel Planning: Linearly-Solvable Non-Markovian Policies for Logical Tasks with Goal-Conditioned Options

Thomas J. Ringstrom, Mohammadhosein Hasanbeig, Alessandro Abate

机构 * Department of Computer Science, University of Minnesota(明尼苏达大学计算机科学系) Department of Computer Science, University of Oxford(牛津大学计算机科学系)

Comments 52 Pages total. This is an update to a paper we submitted to a Journal and received reviewer feedback for improvement

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2506.08954 2025-06-11 q-bio.QM cs.LG q-bio.BM

Protriever: End-to-End Differentiable Protein Homology Search for Fitness Prediction

Ruben Weitzman, Peter Mørch Groth, Lood Van Niekerk, Aoi Otani, Yarin Gal, Debora Marks, Pascal Notin

机构 * Department of Systems Biology, Harvard Medical School(系统生物学系,哈佛医学院) Department of Computer Science, University of Oxford(计算机科学系,牛津大学) Department of Computer Science, University of Copenhagen(计算机科学系,哥本哈根大学) Enzyme research, Novonesis(酶研究,Novonesis)

Comments Accepted at ICML 2025

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2506.08844 2025-06-11 cs.LG cs.CE

IMAGIC-500: IMputation benchmark on A Generative Imaginary Country (500k samples)

Siyi Sun, David Antony Selby, Yunchuan Huang, Sebastian Vollmer, Seth Flaxman, Anisoara Calinescu

机构 * University of Oxford(牛津大学) German Research Center for Artificial Intelligence(德国人工智能研究中心)

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2411.06223 2025-06-11 cs.RO

Predictability Awareness for Efficient and Robust Multi-Agent Coordination

Roman Chiva Gil, Daniel Jarne Ornia, Khaled A. Mustafa, Javier Alonso Mora

机构 * Delft University Of Technology(代尔夫特理工大学) University of Oxford(牛津大学)

Comments Videos and other additional materials can be found at https://romanchiva.github.io/PAProjectPage/

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2408.12212 2025-06-11 cs.AI cs.LG

Relational decomposition for program synthesis

Céline Hocquette, Andrew Cropper

机构 * University of Southampton(索姆塞特大学) University of Oxford(牛津大学)

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2303.05582 2025-06-11 cs.LG cs.IR cs.IT eess.SP math.IT

Generalization analysis of an unfolding network for analysis-based Compressed Sensing

Vicky Kouni, Yannis Panagakis

机构 * Mathematical Institute, University of Oxford Isaac Newton Institute for Mathematical Studies, University of Cambridge Department of Informatics \& Telecommunications, National \& Kapodistrian University of Athens

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2407.09926 2025-06-11 cs.LG cs.AI

Metric Learning for Clifford Group Equivariant Neural Networks

Riccardo Ali, Paulina Kulytė, Haitz Sáez de Ocáriz Borde, Pietro Liò

机构 * University of Cambridge(剑桥大学) University of Oxford(牛津大学)

Comments Workshop on Geometry-grounded Representation Learning and Generative Modeling (GRaM) at the ICML 2024

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2506.07731 2025-06-10 cs.AI

NeurIPS 2025 E2LM Competition : Early Training Evaluation of Language Models

Mouadh Yagoubi, Yasser Dahou, Billel Mokeddem, Younes Belkada, Phuc H. Le-Khac, Basma El Amel Boussaha, Reda Alami, Jingwei Zuo, Damiano Marsili, Mugariya Farooq, Mounia Lalmas, Georgia Gkioxari, Patrick Gallinari, Philip Torr, Hakim Hacid

机构 * Technology Innovation Institute(技术创新研究所) California Institute of Technology(加州理工学院) Spotify ISIR - Sorbonne University(ISIR - 巴黎 Sorbonne 大学) University of Oxford(牛津大学)

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2506.07299 2025-06-10 q-fin.CP cs.LG q-fin.MF q-fin.RM

Uncertainty-Aware Strategies: A Model-Agnostic Framework for Robust Financial Optimization through Subsampling

Hans Buehler, Blanka Horvath, Yannick Limmer, Thorsten Schmidt

机构 * Department of Mathematics TU Munich(数学系慕尼黑工业大学) Mathematical Institute/ Oxford Man Institute University of Oxford(数学研究所/牛津曼研究所牛津大学) Department of Mathematical Stochastics University of Freiburg(数学随机系弗赖堡大学)

Comments 18 pages, 12 figures

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2506.07227 2025-06-10 cs.CV cs.CL

Hallucination at a Glance: Controlled Visual Edits and Fine-Grained Multimodal Learning

Tianyi Bai, Yuxuan Fan, Jiantao Qiu, Fupeng Sun, Jiayi Song, Junlin Han, Zichen Liu, Conghui He, Wentao Zhang, Binhang Yuan

机构 * HKUST(香港科技大学) Shanghai AI Lab(上海人工智能实验室) Peking University(北京大学) HKUST(GZ)(香港科技大学(广州)) Oxford University(牛津大学) Imperial College London(伦敦帝国理工学院)

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2412.02535 2025-06-10 cs.LG cs.CR cs.MA math.AP

Defending Against Diverse Attacks in Federated Learning Through Consensus-Based Bi-Level Optimization

Nicolás García Trillos, Aditya Kumar Akash, Sixu Li, Konstantin Riedl, Yuhua Zhu

机构 * University of Wisconsin-Madison, Department of Statistics(威斯康星大学麦迪逊分校统计学系) Google(谷歌) University of Oxford, Mathematical Institute(牛津大学数学学院) University of California, Los Angeles, Department of Statistics and Data Science(加州大学洛杉矶分校统计学与数据科学系)

Journal ref Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, vol. 383, no. 2298, Jun. 2025

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2411.06424 2025-06-10 cs.LG cs.CL

How Does DPO Reduce Toxicity? A Mechanistic Neuron-Level Analysis

Yushi Yang, Filip Sondej, Harry Mayne, Andrew Lee, Adam Mahdi

机构 * University of Oxford(牛津大学) Jagiellonian University(雅盖隆大学) Harvard University(哈佛大学)

Journal ref NeurIPS 2024 Workshop on Socially Responsible Language Modelling Research (SoLaR)

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2410.11005 2025-06-10 cs.CL cs.LG

Assessing Dialect Fairness and Robustness of Large Language Models in Reasoning Tasks

Fangru Lin, Shaoguang Mao, Emanuele La Malfa, Valentin Hofmann, Adrian de Wynter, Xun Wang, Si-Qing Chen, Michael Wooldridge, Janet B. Pierrehumbert, Furu Wei

机构 * University of Oxford(牛津大学) Microsoft Research(微软研究院) The Alan Turing Institute(艾伦·图灵研究所) Allen Institute for AI(人工智能研究所) University of Washington(华盛顿大学) Microsoft Corporation(微软公司) University of York(约克大学)

Comments ACL 2025 main

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2406.00391 2025-06-10 cs.CV

DS@BioMed at ImageCLEFmedical Caption 2024: Enhanced Attention Mechanisms in Medical Caption Generation through Concept Detection Integration

Nhi Ngoc-Yen Nguyen, Le-Huy Tu, Dieu-Phuong Nguyen, Nhat-Tan Do, Minh Triet Thai, Bao-Thien Nguyen-Tat

机构 * Unviversity of Information Technology(信息技术大学) Vietnam National University(越南国家大学) Oxford University Clinical Research Unit(牛津大学临床研究中心)

Journal ref DS@BioMed at ImageCLEF 2024, CEUR Workshop Proceedings, Vol. 3740. https://ceur-ws.org/Vol-3740/paper-157.pdf

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2405.18380 2025-06-10 cs.LG cs.AI cs.CL

Outlier-weighed Layerwise Sampling for LLM Fine-tuning

Pengxiang Li, Lu Yin, Xiaowei Gao, Shiwei Liu

机构 * Dalian University of Technology(大连理工大学) University of Surrey(Surrey大学) Eindhoven University of Technology(埃因霍温理工大学) University College London(伦敦大学学院) University of Oxford(牛津大学)

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2309.15793 2025-06-10 stat.ME cs.LG stat.ML

Targeting relative risk heterogeneity with causal forests

Vik Shirvaikar, Andrea Storås, Xi Lin, Chris Holmes

机构 * Department of Statistics, University of Oxford(牛津大学统计系) Novo Nordisk A/S(诺和制药)

Comments 24 pages, 5 figures, 5 tables

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