collaborators

5 papers

cs.CL2026

FaithMed: Training LLMs For Faithful Evidence-Based Medical Reasoning

Zhiyun Zhang, Liwen Sun, Xiang Qian +1

Faithful reasoning is essential in medicine, where clinical decisions require transparent justification grounded in reliable evidence. Current medical LLMs either lack active acces…

cs.CL2026

Linking Knowledge to Care: Knowledge Graph-Augmented Medical Follow-Up Question Generation

Liwen Sun, Xiang Yu, Ming Tan +4

Clinical diagnosis is time-consuming, requiring intensive interactions between patients and medical professionals. While large language models (LLMs) could ease the pre-diagnostic…

cs.AI2026

1-2-3 Check: Enhancing Contextual Privacy in LLM via Multi-Agent Reasoning

Wenkai Li, Liwen Sun, Zhenxiang Guan +2

Addressing contextual privacy concerns remains challenging in interactive settings where large language models (LLMs) process information from multiple sources (e.g., summarizing m…

cs.LG2025

Scaling Electronic Health Record Foundation Models for Population Health Management

Liwen Sun, Hao-Ren Yao, Gary Gao +3

Population health management requires scalable methods to identify individuals at risk of chronic diseases such as cardiovascular conditions and cancer, yet existing approaches rel…

cs.CL2025

Fact-Aware Multimodal Retrieval Augmentation for Accurate Medical Radiology Report Generation

Liwen Sun, James Zhao, Megan Han +1

Multimodal foundation models hold significant potential for automating radiology report generation, thereby assisting clinicians in diagnosing cardiac diseases. However, generated…