activity
20232026
most citedTERD: A Unified Framework for Safeguarding Diffusion Models Against Backdoors

1 citations · 3 across the 10 of their papers we have counts for

collaborators

10 papers

cs.CL2026

Assessing Adversarial Robustness of Latent Reasoning Models

Shaolong Chen, Ang Li, Mingjie Li +1

Large language models increasingly rely on long chain-of-thought (CoT) trajectories for complex reasoning, but autoregressive generation brings substantial memory and inference cos…

cs.LG2025

LANPO: Bootstrapping Language and Numerical Feedback for Reinforcement Learning in LLMs

Ang Li, Yifei Wang, Zhihang Yuan +2

Reinforcement learning in large language models (LLMs) often relies on scalar rewards, a practice that discards valuable textual rationale buried in the rollouts, forcing the model…

cs.AI2025

Know When to Explore: Difficulty-Aware Certainty as a Guide for LLM Reinforcement Learning

Ang Li, Zhihang Yuan, Yang Zhang +2

Reinforcement Learning with Verifiable Feedback (RLVF) has become a key technique for enhancing the reasoning abilities of Large Language Models (LLMs). However, its reliance on sp…

cs.CR2025

Scalable Defense against In-the-wild Jailbreaking Attacks with Safety Context Retrieval

Taiye Chen, Zeming Wei, Ang Li +1

Large Language Models (LLMs) are known to be vulnerable to jailbreaking attacks, wherein adversaries exploit carefully engineered prompts to induce harmful or unethical responses.…

cs.LG2025

G1: Teaching LLMs to Reason on Graphs with Reinforcement Learning

Xiaojun Guo, Ang Li, Yifei Wang +2

Although Large Language Models (LLMs) have demonstrated remarkable progress, their proficiency in graph-related tasks remains notably limited, hindering the development of truly ge…

cs.CR2025

X-Guard: Multilingual Guard Agent for Content Moderation

Bibek Upadhayay, Vahid Behzadan, Ph. D

Large Language Models (LLMs) have rapidly become integral to numerous applications in critical domains where reliability is paramount. Despite significant advances in safety framew…

cs.CL2025

Are Smarter LLMs Safer? Exploring Safety-Reasoning Trade-offs in Prompting and Fine-Tuning

Ang Li, Yichuan Mo, Mingjie Li +2

Large Language Models (LLMs) have demonstrated remarkable success across various NLP benchmarks. However, excelling in complex tasks that require nuanced reasoning and precise deci…

cs.CR2024★ 1 cited

TERD: A Unified Framework for Safeguarding Diffusion Models Against Backdoors

Yichuan Mo, Hui Huang, Mingjie Li +2

Diffusion models have achieved notable success in image generation, but they remain highly vulnerable to backdoor attacks, which compromise their integrity by producing specific un…

cs.CR2024★ 1 cited

PID: Prompt-Independent Data Protection Against Latent Diffusion Models

Ang Li, Yichuan Mo, Mingjie Li +1

The few-shot fine-tuning of Latent Diffusion Models (LDMs) has enabled them to grasp new concepts from a limited number of images. However, given the vast amount of personal images…

cs.LG2023★ 1 cited

Adversarial Examples Are Not Real Features

Ang Li, Yifei Wang, Yiwen Guo +1

The existence of adversarial examples has been a mystery for years and attracted much interest. A well-known theory by \citet{ilyas2019adversarial} explains adversarial vulnerabili…