collaborators

6 papers

cs.CL2026

DPN-LE: Dual Personality Neuron Localization and Editing for Large Language Models

Lifan Zheng, Xue Yang, Jiawei Chen +6

With the widespread adoption of large language models (LLMs), understanding their personality representation mechanisms has become critical. As a novel paradigm in Personality Edit…

cs.CL2026

Skills-Coach: A Self-Evolving Skill Optimizer via Training-Free GRPO

Yu Tian, Jiawei Chen, Lifan Zheng +5

We introduce Skills-Coach, a novel automated framework designed to significantly enhance the self-evolution of skills within Large Language Model (LLM)-based agents. Addressing the…

cs.MA2025

Rethinking the Reliability of Multi-agent System: A Perspective from Byzantine Fault Tolerance

Lifan Zheng, Jiawei Chen, Qinghong Yin +3

Ensuring the reliability of agent architectures and effectively identifying problematic agents when failures occur are crucial challenges in multi-agent systems (MAS). Advances in…

cs.CL2025

MobileRAG: Enhancing Mobile Agent with Retrieval-Augmented Generation

Gowen Loo, Chang Liu, Qinghong Yin +4

Smartphones have become indispensable in people's daily lives, permeating nearly every aspect of modern society. With the continuous advancement of large language models (LLMs), nu…

cs.CL2025

From Pixels to Tokens: Revisiting Object Hallucinations in Large Vision-Language Models

Yuying Shang, Xinyi Zeng, Yutao Zhu +6

Hallucinations in large vision-language models (LVLMs) are a significant challenge, i.e., generating objects that are not presented in the visual input, which impairs their reliabi…

cs.CL2025

Root Defence Strategies: Ensuring Safety of LLM at the Decoding Level

Xinyi Zeng, Yuying Shang, Jiawei Chen +2

Large language models (LLMs) have demonstrated immense utility across various industries. However, as LLMs advance, the risk of harmful outputs increases due to incorrect or malici…