About me

Hi, I am Zhiwei Zhang. A second-year Ph.D. student in the College of Information Sciences and Technology at The Pennsylvania State University. My advisor is Dr.Suhang Wang. I obtained my Bachelor’s degree in Computer Science from Dalian University of Technology. My research interests are Trustworthy Machine Learning, Vision Language Model and Graph Neural Network.

News

[6/2024] Check out our preprint on Graph Backdoor Defense. [Paper]
[5/2024] One paper is accepted by KDD 2024.
[5/2024] I passed the qualifying exam and became a Ph.D. candidate.
[5/2024] One paper is accepted by ICML 2024.

Publications

Conference Papers

“Rethinking Graph Backdoor Attacks: A Distribution-Preserving Perspective” [KDD 2024]
Zhiwei Zhang, Minhua Lin, Enyan Dai, Suhang Wang.

“Efficient Contrastive Learning for Fast and Accurate Inference on Graphs” [ICML 2024]
Teng Xiao, Huaisheng Zhu, Zhiwei Zhang, Zhimeng Guo, Charu C. Aggarwal, Suhang Wang, Vasant G Honavar

Preprints

“Robustness-Inspired Defense Against Backdoor Attacks on Graph Neural Networks” [06/24]
Zhiwei Zhang, Minhua Lin, Junjie Xu, Zongyu Wu, Enyan Dai, Suhang Wang

“Overcoming Pitfalls in Graph Contrastive Learning Evaluation: Toward Comprehensive Benchmarks” [02/24]
Qian Ma, Hongliang Chi, Hengrui Zhang, Kay Liu, Zhiwei Zhang, Lu Cheng, Suhang Wang, Philip S Yu, Yao Ma.

“Fairness-aware Message Passing for Graph Neural Networks” [06/23]
Huaisheng Zhu, Guoji Fu, Zhimeng Guo, Zhiwei Zhang, Teng Xiao, Suhang Wang.

Education

Ph.D. in Informatics (Jan. 2023 - Present) Penn State University, Pennsylvania, US
M.S. in Computer Science (Aug. 2022 - Dec. 2022) Georgia Institute of Technology. (Dropped)
B.E. in Computer Science (Sep. 2018 - Jun. 2022) Dalian University of Technology, Dalian, China

Experiences

Computer Vision Research Intern @ SenseTime (2021.11-2022.06)

Services

Reviewer or subreviewer for KDD 2024, CIKM2024, RecSys 2024, SIGIR 2024, NeuroComputing