Telling Stories through Multi-User Dialogue by Modeling Character Relations. - Wai Man Si; Prithviraj Ammanabrolu; Mark O. Riedl (SIGDIAL, 2021)

Why So Toxic?: Measuring and Triggering Toxic Behavior in Open-Domain Chatbots. - Wai Man Si; Michael Backes 001; Jeremy Blackburn; Emiliano De Cristofaro; Gianluca Stringhini; Savvas Zannettou; Yang Zhang 016 (CCS, 2022)

Two-in-One: A Model Hijacking Attack Against Text Generation Models. - Wai Man Si; Michael Backes 001; Yang Zhang 016; Ahmed Salem 001 (USENIX Security Symposium, 2023)

Mondrian: Prompt Abstraction Attack Against Large Language Models for Cheaper API Pricing. - Wai Man Si; Michael Backes 001; Yang Zhang 016 (CoRR, 2023)

Comprehensive Assessment of Toxicity in ChatGPT. - Boyang Zhang; Xinyue Shen 001; Wai Man Si; Zeyang Sha; Zeyuan Chen; Ahmed Salem 001; Yun Shen; Michael Backes 001; Yang Zhang 016 (CoRR, 2023)

ICLGuard: Controlling In-Context Learning Behavior for Applicability Authorization. - Wai Man Si; Michael Backes 001; Yang Zhang 016 (CoRR, 2024)

SaLoRA: Safety-Alignment Preserved Low-Rank Adaptation. - Mingjie Li 007; Wai Man Si; Michael Backes 001; Yang Zhang 016; Yisen Wang 001 (ICLR, 2025)

Excessive Reasoning Attack on Reasoning LLMs. - Wai Man Si; Mingjie Li 007; Michael Backes 001; Yang Zhang 016 (CoRR, 2025)