Chejian Xu

I am a first year Computer Science Ph.D. student at University of Illinois, Urbana-Champaign (UIUC), advised by Prof. Bo Li. I received my Bachelor's degree from Computer Science, Zhejiang University at CKC Honors College.

My current research interests lie at the intersection of trustworthy machine learning and reinforcement learning, with the goal of developing robust machine learning systems.

Email  /  Google Scholar  /  Github  /  LinkedIn

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News


2022/10 - Received the NeurIPS 2022 Scholar Award.
2022/09 - One paper got accepted to NeurIPS 2022.
2022/05 - One paper got accepted to Findings of NAACL 2022.
2022/04 - One paper got accepted to IJCAI 2022.
2022/01 - One paper got accepted to ICLR 2022.
2021/10 - One paper got accepted to NeurIPS 2021.


Publications


SafeBench: A Benchmarking Platform for Safety Evaluation of Autonomous Vehicles

Chejian Xu*, Wenhao Ding*, Weijie Lyu, Zuxin Liu, Shuai Wang, Yihan He, Hanjiang Hu, Ding Zhao, Bo Li
Thirty-sixth Conference on Neural Information Processing Systems (NeurIPS), 2022
[PDF] [Code] [Leaderboard] [BibTeX]

A Survey on Safety-Critical Driving Scenario Generation -- A Methodological Perspective

Wenhao Ding, Chejian Xu, Mansur Arief, Haohong Lin, Bo Li, Ding Zhao
To appear in IEEE Transactions on Intelligent Transportation Systems (T-ITS)
[PDF] [BibTeX]

SemAttack: Natural Textual Attacks via Different Semantic Spaces

Boxin Wang*, Chejian Xu*, Xiangyu Liu, Yu Cheng, Bo Li
North American Chapter of the Association for Computational Linguistics (NAACL), 2022 (Findings)
[PDF] [Code] [BibTeX]

Copy Motion From One to Another: Fake Motion Video Generation

Zhenguang Liu, Sifan Wu, Chejian Xu, Xiang Wang, Lei Zhu, Shuang Wu, Fuli Feng
31st International Joint Conference on Artificial Intelligence (IJCAI), 2022
[PDF] [Code] [BibTeX]

COPA: Certifying Robust Policies for Offline Reinforcement Learning against Poisoning Attacks

Fan Wu*, Linyi Li*, Chejian Xu, Huan Zhang, Bhavya Kailkhura, Krishnaram Kenthapadi, Ding Zhao, Bo Li
The Tenth International Conference on Learning Representations (ICLR), 2022
[PDF] [Code] [Leaderboard] [BibTeX]

Adversarial GLUE: A Multi-Task Benchmark for Robustness Evaluation of Language Models

Boxin Wang*, Chejian Xu*, Shuohang Wang, Zhe Gan, Yu Cheng, Jianfeng Gao, Ahmed Hassan Awadallah, Bo Li
Thirty-fifth Conference on Neural Information Processing Systems (NeurIPS), 2021 (Oral)
[PDF] [Leaderboard] [Dataset] [BibTeX]


Service


Conference Reviewer: NeurIPS 2022, AAAI 2022, AACL 2022
Organizer: NeurIPS 2022 DMLW Workshop




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