activity
20242026
collaborators

5 papers

cs.AI2026

PERSONA: Dynamic and Compositional Inference-Time Personality Control via Activation Vector Algebra

Xiachong Feng, Liang Zhao, Weihong Zhong +5

Current methods for personality control in Large Language Models rely on static prompting or expensive fine-tuning, failing to capture the dynamic and compositional nature of human…

cs.AI2025

From Hypothesis to Publication: A Comprehensive Survey of AI-Driven Research Support Systems

Zekun Zhou, Xiaocheng Feng, Lei Huang +11

Research is a fundamental process driving the advancement of human civilization, yet it demands substantial time and effort from researchers. In recent years, the rapid development…

cs.CL2024

Advancing Large Language Model Attribution through Self-Improving

Lei Huang, Xiaocheng Feng, Weitao Ma +7

Teaching large language models (LLMs) to generate text with citations to evidence sources can mitigate hallucinations and enhance verifiability in information-seeking systems. Howe…

cs.CL2024

Length Extrapolation of Transformers: A Survey from the Perspective of Positional Encoding

Liang Zhao, Xiachong Feng, Xiaocheng Feng +6

Built upon the Transformer, large language models (LLMs) have captured worldwide attention due to their remarkable abilities. Nevertheless, all Transformer-based models including L…

cs.CV2024

Investigating and Mitigating the Multimodal Hallucination Snowballing in Large Vision-Language Models

Weihong Zhong, Xiaocheng Feng, Liang Zhao +6

Though advanced in understanding visual information with human languages, Large Vision-Language Models (LVLMs) still suffer from multimodal hallucinations. A natural concern is tha…