Xingyi Zhang

Rm 512, William M.W. Mong Engineering Building

Department of Systems Engineering and Engineering Management

The Chinese University of Hong Kong

Shatin, N.T., Hong Kong

Email  /  Github

profile photo

I am currently a final year Ph.D. student at the Department of Systems Engineering and Engineering Management, The Chinese University of Hong Kong (CUHK), supervised by Prof. Sibo Wang.

Before that, I obtained my B.E. in Computer Science and Technology, B.A. in Japanese from Dalian University of Technology (DUT) in 2019.

Research Interests

I am intersted in graph representation learning. More precisely, my research focuses include:

  • Node embedding
  • Graph Neural Networks
  • Social Recommendation
  • AI4Science


Towards Deeper Understanding of PPR-based Embedding Approaches: A Topological Perspective
Xingyi Zhang, Zixuan Weng, Sibo Wang
TheWebConf 2024
Paper / code

Rayleigh Quotient Graph Neural Networks for Graph Anomaly Detection
Xiangyu Dong, Xingyi Zhang, Sibo Wang
ICLR 2024

Constrained Social Community Recommendation
Xingyi Zhang, Shuliang Xu, Wenqing Lin, Sibo Wang

Efficient Tree-SVD for Subset Node Embedding over Large Dynamic Graphs
Xinyu Du, Xingyi Zhang, Sibo Wang, Zengfeng Huang
Paper / code

Learning Based Proximity Matrix Factorization for Node Embedding
Xingyi Zhang, Kun Xie, Sibo Wang, Zengfeng Huang
Paper / code

Academic Services

Subreviewer or external reviewer of
TheWebConf 2024, SIGKDD 2023, ICDE 2023-2024, TKDE 2022-2024, CIKM 2021-2023, DASFAA 2021-2024

Selected Awards

Student Travel Award, SIGKDD, 2023

Recognition Award of 2022 Tencent Rhino-Bird Research Elite Program, 2023

Outstanding Graduates Award, 2019

First‑Class Scholarship (top 5%), 2017


Research Intern

Tencent Rhino-Bird Research Elite Program, Common Data Platform, Interactive Entertainment Group, Tencent
Mentor: Dr. Wenqing Lin

AI Lab, Technology and Engineering Group, Tencent
Mentor: Dr. Biaobin Jiang

Teaching Assistant of

  • ENGG1120 Linear Algebra for Engineers 2022-2023, Spring
  • FTEC4005 Financial Informatics 2021-2022, Fall
  • CSCI2100C Data Structures, 2019-2020, 2020-2021, 2021-2022, Spring
  • FTEC4003 Data Mining, 2019-2020, 2020-2021, Fall

Last update: Jan. 2024      Template