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Xueqiao Zhang

3 accepted papers

2025

DecoupledESC: Enhancing Emotional Support Generation via Strategy-Response Decoupled Preference Optimization

EMNLP 2025

Recent advances in Emotional Support Conversation (ESC) have improved emotional support generation by fine-tuning Large Language Models (LLMs) via Supervised Fine-Tuning (SFT). However, common psychological errors still persist. While Direct Preference Optimization (DPO) shows promise in reducing su

2025

MASTER: Multi-Agent Security Through Exploration of Roles and Topological Structures - A Comprehensive Framework

EMNLP 2025

Large Language Models (LLMs)-based Multi-Agent Systems (MAS) exhibit remarkable problem-solving and task planning capabilities across diverse domains due to their specialized agentic roles and collaborative interactions. However, this also amplifies the severity of security risks under MAS attacks.

Cited by 0SourcePDFScholar
2025

Video2Roleplay: A Multimodal Dataset and Framework for Video-Guided Role-playing Agents

EMNLP 2025

Role-playing agents (RPAs) have attracted growing interest for their ability to simulate immersive and interactive characters. However, existing approaches primarily focus on static role profiles, overlooking the dynamic perceptual abilities inherent to humans. To bridge this gap, we introduce the c

Cited by 0SourcePDFScholar