Conference Publications
* indicates equal contributions
2025
UFID: A Unified Framework for Input-level Backdoor Detection on Diffusion Models [PDF] [Code]
Zihan Guan*, Mengxuan Hu*, Sheng Li, Anil Vullikanti
AAAI Conference on Artificial Intelligence (AAAI 2025)Mind Control through Causal Inference: Predicting Clean Images from Poisoned Data [PDF] [Code]
Mengxuan Hu*, Zihan Guan*, Yi Zeng, Junfeng Guo, Zhongliang Zhou, Jielu Zhang, Ruoxi Jia, Anil Vullikanti, Sheng Li
International Conference on Learning Representations (ICLR 2025)Benign Samples Matter! Fine-tuning On Outlier Benign Samples Severely Breaks Safety [PDF] [Code]
Zihan Guan*, Mengxuan Hu*, Ronghang Zhu, Sheng Li, Anil Vullikanti
International Conference on Machine Learning (ICML 2025)BalancEdit: Dynamically Balancing the Generality-Locality Trade-off in Multi-modal Model Editing [PDF] [Code]
Dongliang Guo, Mengxuan Hu, Zihan Guan, Thomas Hartvigsen, Sheng Li
International Conference on Machine Learning (ICML 2025)Backdoor in Seconds: Unlocking Vulnerabilities in Large Pre-trained Models via Model Editing [PDF] [Code]
Dongliang Guo, Mengxuan Hu, Zihan Guan, Junfeng Guo, Thomas Hartvigsen, Sheng Li
The Conference on Information and Knowledge Management (CIKM 2025)No free lunch: Retrieval-augmented generation undermines fairness in LLMs, even for vigilant users
Mengxuan Hu*, Hongyi Wu*, Zihan Guan, Ronghang Zhu, Dongliang Guo, Daiqing Qi, and Sheng Li
Findings of The Conference on Empirical Methods in Natural Language Processing (EMNLP 2025)PharmaData-Agent: A Specialized Agent for Pharmaceutical Data Analysis
Zihan Guan, Hanyin Wang, Zhongliang Zhou, Qiaohui Zhou, Peining Tao, Junshui Ma
NeurIPS 2025 Workshop GenAI4Health
2024
BBCaL: Black-box Backdoor Detection under the Causality Lens [PDF] [Code]
Mengxuan Hu*, Zihan Guan*, Junfeng Guo, Zhongliang Zhou, Jielu Zhang, Sheng Li
Transactions on Machine Learning (TMLR) (🏆 Featured Certificate)Img2Loc: Revisiting Image Geolocalization using Multi-modality Foundation Models and Image-based Retrieval-Augmented Generation [PDF] [Code]
Zhongliang Zhou, Jielu Zhang, Zihan Guan, Mengxuan Hu, Ni Lao, Lan Mu, Sheng Li, Gengchen Mai
ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2024)Text2seg: Remote sensing image semantic segmentation via text-guided visual foundation models [PDF] [Code]
Jielu Zhang, Zhongliang Zhou, Gengchen Mai, Mengxuan Hu, Zihan Guan, Sheng Li, Lan Mu
ACM SIGSPATIAL International Workshop on AI for Geographic Knowledge Discovery (GeoAI 2024)
2023
XGBD: Explanation-Guided Graph Backdoor Detection [PDF][Code]
Zihan Guan, Mengnan Du, Ninghao Liu
European Conference on Artificial Intelligence (ECAI 2023)Attacking Neural Networks with Neural Networks: Towards Deep Synchronization for Backdoor Attacks [PDF] [Code]
Zihan Guan, Lichao Sun, Mengnan Du, Ninghao Liu
ACM International Conference on Information and Knowledge Management (CIKM 2023)