Currently, I am a third-year PhD student in the School of Computer Science, Peking University, supervised by Prof. Leye Wang. Before that, I received my B.E. degree from Shanghai University of Finance and Economics in 2023, supervised by Prof. Xiao Han.

My research interests lie in data mining, recommendation system, and agent memory.

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📝 Publications

  • Efficient Cross-Architecture Knowledge Transfer for Large-Scale Online User Response Prediction
    Yucheng Wu#, Yuekui Yang#*, Hongzheng Li, Anan Liu, Jian Xiao, Junjie Zhai, Huan Yu, Shaoping Ma, Leye Wang*
    In preprint.
    arXiv

  • JITPrune: An Efficient Online Feature Pruning Framework for Embedding-based DLRM Training
    Hongzheng Li, Yucheng Wu, Junjie Zhai, Anan Liu, Yuekui Yang, Yingxia Shao
    [CCF-A] ICDE 2026 Industry and Applications

  • Learning-based Privacy-Preserving Graph Publishing Against Sensitive Link Inference Attacks
    Yucheng Wu#, Yuncong Yang#, Xiao Han*, Leye Wang, Junjie Wu
    [CCF-A] IEEE Transactions on Information Forensics & Security (2025)
    Paper | arXiv | Code

  • Efficient User Sequence Learning for Online Services via Compressed Graph Neural Networks
    Yucheng Wu, Liyue Chen, Yu Cheng, Shuai Chen*, Jinyu Xu, Leye Wang*
    [CCF-B] IEEE ICWS 2024
    Paper | arXiv | Code | Slides

  • Graph Contrastive Learning with Cohesive Subgraph Awareness
    Yucheng Wu, Leye Wang*, Xiao Han*, Han-Jia Ye
    [CCF-A] The Web Conference 2024
    Paper | arXiv | Code | Video | Poster

(*corresponding authors, #co-first authors)

🛠️ Projects

  • DataGuard: An Open Source Platform for Secure Data Publication
    Xiao Han, Yuncong Yang, Yucheng Wu, Yi Li, Cunyao Zhou, Leye Wang
    Website | Code
    We won the third prize of the 2023 Jiangsu Health and Medical Big Data Innovation Application Competition (7/87) and the first prize of the 2023 Shanghai Open Source Innovation Excellence Achievement Award.

📝 Services

I serve(d) as a program committee member / reviewer for:

  • 2026: TIFS
  • 2025: KDD

📚 Teaching

  • Teaching Assistant of Data Structures and Algorithms A by Prof. Leye Wang, Peking University, Fall 2024.
  • Teaching Assistant of Data Structures and Algorithms A by Prof. Leye Wang, Peking University, Fall 2023.

💻 Internships

  • Intern of 2025 Tencent Rhino-bird Research Elite Program, Tencent (CDG), 2025.05 ~ Now.
  • Modeling Group Intern (Remote), Beijing HealSci Technology, 2023.10 ~ 2024.06.

🏆 Competition

  • 2025, Tencent Advertising Algorithm Competition, 55/2800+
  • 2022, First Prize of Chinese Computer Design Competition, 293/30000+

🎖 Awards

  • 2025, Outstanding Research Award, PKU
  • 2025, Outstanding Student, Tencent Rhino-bird Open Source Talent Development Program (183/2300+)
  • 2024, Merit Student Pacesetter, PKU (10/600)
  • 2024, National Scholarship, Chinese Ministry of Education
  • 2023, Outstanding Graduate, Shanghai Municipal Commission of Education
  • 2023, Outstanding Undergraduate Thesis, SUFE
  • 2021, National Scholarship, Chinese Ministry of Education
  • 2020, National Scholarship, Chinese Ministry of Education

📖 Educations

  • 2023.09 ~ Now, PhD Student, School of Computer Science, Peking University (PKU)
  • 2019.09 ~ 2023.06, Undergraduate, School of Information Management and Engineering, Shanghai University of Finance and Economics (SUFE)