collaborators

13 papers

cs.AI2026

When Personalization Legitimizes Risks: Uncovering Safety Vulnerabilities in Personalized Dialogue Agents

Jiahe Guo, Xiangran Guo, Yulin Hu +8

Long-term memory enables large language model (LLM) agents to support personalized and sustained interactions. However, most work on personalized agents prioritizes utility and use…

cs.AI2026

Learning to Learn from Multimodal Experience

Xingyu Sui, Weixiang Zhao, Yongxin Tang +4

Experience-driven learning has emerged as a promising paradigm for enabling agents to improve from interaction trajectories by accumulating and reusing past experience. However, ex…

cs.AI2026

TEA-Bench: A Systematic Benchmarking of Tool-enhanced Emotional Support Dialogue Agent

Xingyu Sui, Yanyan Zhao, Yulin Hu +3

Emotional Support Conversation requires not only affective expression but also grounded instrumental support to provide trustworthy guidance. However, existing ESC systems and benc…

cs.CL2026

On Safety Risks in Experience-Driven Self-Evolving Agents

Weixiang Zhao, Yichen Zhang, Yingshuo Wang +8

Experience-driven self-evolution has emerged as a promising paradigm for improving the autonomy of large language model agents, yet its reliance on self-curated experience introduc…

cs.CL2026

OP-Bench: Benchmarking Over-Personalization for Memory-Augmented Personalized Conversational Agents

Yulin Hu, Zimo Long, Jiahe Guo +5

Memory-augmented conversational agents enable personalized interactions using long-term user memory and have gained substantial traction. However, existing benchmarks primarily foc…

cs.CL2025

Teaching Language Models to Evolve with Users: Dynamic Profile Modeling for Personalized Alignment

Weixiang Zhao, Xingyu Sui, Yulin Hu +6

Personalized alignment is essential for enabling large language models (LLMs) to engage effectively in user-centric dialogue. While recent prompt-based and offline optimization met…