Xuefeng Xu

Modified

January 21, 2026

Education

  • University of Warwick | Coventry, UK
    Ph.D. in Computer Science | September 2024 – Present
  • Beihang University | Beijing, China
    M.E. in Cyberspace Security | September 2019 – January 2022
  • Jilin University | Changchun, China
    B.E. in Communication Engineering | September 2015 – July 2019

Experience

  • University of Helsinki | Helsinki, Finland
    Visiting Doctoral Researcher | January 2026 – Present
  • PrimiHub | Beijing, China
    Privacy Engineer | December 2022 – August 2024
  • OPPO | Shenzhen, China
    Machine Learning Intern | May 2022 – August 2022

Research

Preprints
  1. SPRINT: Scalable Private Retrieval with Indexed Neighbor Trees
    Xuefeng Xu, Graham Cormode, and Hakan Ferhatosmanoglu
    Coming Soon
  2. FedPS: Federated data Preprocessing via aggregated Statistics
    Xuefeng Xu and Graham Cormode
    Preprint 2026
  3. Federated Computation of ROC and PR Curves
    Xuefeng Xu and Graham Cormode
    Preprint 2025
Papers
  1. Power Transform Revisited: Numerically Stable, and Federated
    Xuefeng Xu and Graham Cormode
    Annual Conference on Artificial Intelligence and Statistics (AISTATS) 2026
  2. Deep Learning Algorithms Design and Implementation Based on Differential Privacy
    Xuefeng Xu, Yanqing Yao, and Lei Cheng
    International Conference on Machine Learning for Cyber Security 2020

Teaching

Teaching Assistant
    @ University of Warwick
  • CS275 Probability and Statistics: Autumn 2025
  • CS909 Machine Learning Algorithms and Practice: Spring 2025
  • CS133 Professional Skills: Autumn 2024
    @ Beihang University
  • 39112201 Abstract Algebra: Autumn 2019

Service

Conference Reviewer
  • Annual Conference on Artificial Intelligence and Statistics (AISTATS): 2026
  • International Conference on Learning Representations (ICLR): 2026, 2025
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