Contact Information
Email:
cssun (at) u.nus.edu
Office:
Computing 3 #02-20
11 Research Link
Singapore 119391
Lab:
PLSE@NUS
Biography
Changsheng is a Ph.D. candidate in the School of Computing at the National University of Singapore, supervised by Prof. Dong Jin Song. His research interests include trustworthy AI, AI safety, and graph neural networks. He holds a Master’s degree from NUS and a Bachelor’s degree from Xidian University. Before his graduate studies, he worked as a Research Intern and Algorithm Engineer at JD Intelligent Cities Research in China.
Research Interests
- AI Trustworthiness and Safety
- Graph Neural Networks
Education
- Ph.D. in Computer Science (In Progress)
National University of Singapore
Supervisor: Prof. Dong Jin Song - Master of Computing
National University of Singapore - Bachelor of Engineering
Xidian University
Publications
2025
Ignoring Directionality Leads to Compromised Graph Neural Network Explanations
2025 IEEE Security and Privacy: Workshops (SPW)
2024
PointCVaR: Risk-optimized Outlier Removal for Robust 3D Point Cloud Classification
Thirty-Eighth AAAI Conference on Artificial Intelligence (AAAI), 2024
2022
Repairing Failure-inducing Inputs with Input Reflection
The 37th IEEE/ACM International Conference on Automated Software Engineering (ASE), 2022
PIANO: Influence Maximization Meets Deep Reinforcement Learning
IEEE Transactions on Computational Social Systems
2021
Self-Checking Deep Neural Networks in Deployment
The 43rd IEEE/ACM International Conference on Software Engineering (ICSE), 2021
2020
Digraph Inception Convolutional Networks
Thirty-fourth Conference on Neural Information Processing Systems (NeurIPS), 2020
Preprints
Teaching Experience
CS5232 Formal Specification and Design Techniques (2024)
Teaching Assistant, National University of Singapore
Teaching Assistant, National University of Singapore
CS4218 Software Testing (2023)
Teaching Assistant, National University of Singapore
Teaching Assistant, National University of Singapore
CS4211 Formal Methods for Software Engineering (2022)
Teaching Assistant, National University of Singapore
Teaching Assistant, National University of Singapore
Professional Activities
- Reviewer/Program Committee of the following journals and conferences
- The Web Conference (WWW) 2022
- Foundations of Software Engineering (FSE) 2024
- Conference on Neural Information Processing Systems (NeurIPS) 2024
- International Conference on Machine Learning (ICML) 2024
- AAAI Conference on Artificial Intelligence (AAAI) 2026
- Supported by the following research funding and grant
- Graduate Student Travel Grant 2025: IEEE European Symposium on Security and Privacy (EuroS&P)
- Graduate Student Travel Grant 2024: AAAI Conference on Artificial Intelligence
- Graduate Student Travel Grant 2022: 37th IEEE/ACM International Conference on Automated Software Engineering (ASE)
- National University of Singapore Research Scholarship 2022-2026
Professional Experience
- Research Intern & Algorithm Engineer (2018)
JD Intelligent Cities Research, China