CV

Education

• MPhil, Department of Computing, The Hong Kong Polytechnic University, 09/2025 - Present
  • Supervisors: Jason Chen Zhang, Haoyang LI, Ken Man Lung YIU
• BSc, School of Software, South China University of Technology, 09/2021 - 06/2025
  • Major: Software Engineering; Minor: Business Administration; GPA: 3.66/4.0

Research Interests

Graph Neural Networks, Graph Foundation Models, RAG Security, Agent Orchestration, AI for Science

Publications

1. Haoyang Li, Yuming Xu, Yiming Li, Hanmo Liu, Darian Li, Jason Chen Zhang, Lei Chen, Qing Li. "When Speed meets Accuracy: an Efficient and Effective Graph Model for Temporal Link Prediction." VLDB 2025.
2. Yuming Xu, Mingtao Zhang, Zhuohan Ge, Haoyang Li, Nicole Hu, Yongqi Zhang, Zhiyuan Wen, Jason Chen Zhang, Qing Li, Lei Chen. "A Survey of Secure Retrieval-Augmented Generation." EMNLP 2026.
3. Luyu Qiu, Yuming Xu, Haoyang Li, Jason Chen Zhang, Alexander Zhou, Peng Cheng, Lei Chen, Qing Li. "Towards A Generalizable and Expressive Graph Neural Network for Graph-Level Tasks with Theoretical Guarantees." VLDB Journal, in 2026. DOI: 10.1007/s00778-026-00978-4.
4. Mingtao Zhang, Haoyang Li, Yuming Xu, Nicole Hu, Peng Cheng, Jason Chen Zhang, Qing Li, Lei Chen. "GraphAgent: An Effective Knowledge-Guided GNN Model Selection System." VLDB 2026.
5. Yuming Xu, Zhanchao Xu, Yaowen Liu, Xuejia Chen, Qi Chen, Mingtao Zhang, Zhuohan Ge, Haoyang Li, Jason Chen Zhang. "Fast and Faithful: A Lightweight Spatio-Temporal GNN for Semi-Supervised Air Quality Forecasting with Inductive Capability." IEEE BigData 2025.
6. Zhuohan Ge, Nicole Hu, Darian Li, Yubo Wang, Shihao Qi, Yuming Xu, Han Shi, Jason Chen Zhang. "A Survey of Large Language Models in Mental Health Disorder Detection on Social Media." ICDEW 2025.
7. Yuming Xu, Haoyang Li, Yiming Li, Alexander Zhou, Yang Yang, Nicole Hu, Hanmo Liu, Darian Li, Jason Chen Zhang, Lei Chen, Qing Li. "STRIDE: Lightweight and Effective Link Prediction over Spatio-Temporal Relational Graphs." Under Review.
8. Haoyang Li, Yuming Xu, Alexander Zhou, Yongqi Zhang, Lei Chen, Qing Li. "OpenGLT: A Comprehensive Benchmark of Graph Neural Networks for Graph-Level Tasks." Under Review.
9. Mingtao Zhang*, Yuming Xu*, Haoyang Li, Xinyi Zhu, Yiming Li, Yubo Wang, Alexander Zhou, Wei Dong, Jason Chen Zhang, Lei Chen, Qing Li. "Can Graph Foundation Models Replace Graph Neural Networks? An Experimental Study with Theoretical Analysis." Under Review. (* Co-first author)

Professional Service

Reviewer: IEEE Transactions on Computational Social Systems; IEEE Transactions on Emerging Topics in Computational Intelligence