activity
20232025
most citedPromptLink: Leveraging Large Language Models for Cross-Source Biomedical Concept Linking

11 citations · 38 across the 12 of their papers we have counts for

collaborators

13 papers

cs.CL2025

AceSearcher: Bootstrapping Reasoning and Search for LLMs via Reinforced Self-Play

Ran Xu, Yuchen Zhuang, Zihan Dong +7

Search-augmented LLMs often struggle with complex reasoning tasks due to ineffective multi-hop retrieval and limited reasoning ability. We propose AceSearcher, a cooperative self-p…

cs.CL2025

Retrieval-augmented GUI Agents with Generative Guidelines

Ran Xu, Kaixin Ma, Wenhao Yu +4

GUI agents powered by vision-language models (VLMs) show promise in automating complex digital tasks. However, their effectiveness in real-world applications is often limited by sc…

cs.CL2025★ 2 cited

Collab-RAG: Boosting Retrieval-Augmented Generation for Complex Question Answering via White-Box and Black-Box LLM Collaboration

Ran Xu, Wenqi Shi, Yuchen Zhuang +4

Retrieval-Augmented Generation (RAG) systems often struggle to handle multi-hop question-answering tasks accurately due to irrelevant context retrieval and limited complex reasonin…

cs.CL2024★ 1 cited

SimRAG: Self-Improving Retrieval-Augmented Generation for Adapting Large Language Models to Specialized Domains

Ran Xu, Hui Liu, Sreyashi Nag +8

Retrieval-augmented generation (RAG) enhances the question-answering (QA) abilities of large language models (LLMs) by integrating external knowledge. However, adapting general-pur…

cs.LG2024★ 5 cited

TACCO: Task-guided Co-clustering of Clinical Concepts and Patient Visits for Disease Subtyping based on EHR Data

Ziyang Zhang, Hejie Cui, Ran Xu +3

The growing availability of well-organized Electronic Health Records (EHR) data has enabled the development of various machine learning models towards disease risk prediction. Howe…

cs.LG2024★ 1 cited

From Basic to Extra Features: Hypergraph Transformer Pretrain-then-Finetuning for Balanced Clinical Predictions on EHR

Ran Xu, Yiwen Lu, Chang Liu +5

Electronic Health Records (EHRs) contain rich patient information and are crucial for clinical research and practice. In recent years, deep learning models have been applied to EHR…

cs.IR2024★ 11 cited

PromptLink: Leveraging Large Language Models for Cross-Source Biomedical Concept Linking

Yuzhang Xie, Jiaying Lu, Joyce Ho +3

Linking (aligning) biomedical concepts across diverse data sources enables various integrative analyses, but it is challenging due to the discrepancies in concept naming convention…

cs.CL2024★ 2 cited

BMRetriever: Tuning Large Language Models as Better Biomedical Text Retrievers

Ran Xu, Wenqi Shi, Yue Yu +6

Developing effective biomedical retrieval models is important for excelling at knowledge-intensive biomedical tasks but still challenging due to the deficiency of sufficient public…

cs.CL2024★ 8 cited

LLMs-based Few-Shot Disease Predictions using EHR: A Novel Approach Combining Predictive Agent Reasoning and Critical Agent Instruction

Hejie Cui, Zhuocheng Shen, Jieyu Zhang +4

Electronic health records (EHRs) contain valuable patient data for health-related prediction tasks, such as disease prediction. Traditional approaches rely on supervised learning m…

cs.CL2024★ 1 cited

RAM-EHR: Retrieval Augmentation Meets Clinical Predictions on Electronic Health Records

Ran Xu, Wenqi Shi, Yue Yu +5

We present RAM-EHR, a Retrieval AugMentation pipeline to improve clinical predictions on Electronic Health Records (EHRs). RAM-EHR first collects multiple knowledge sources, conver…

cs.LG2024★ 3 cited

Multimodal Fusion of EHR in Structures and Semantics: Integrating Clinical Records and Notes with Hypergraph and LLM

Hejie Cui, Xinyu Fang, Ran Xu +3

Electronic Health Records (EHRs) have become increasingly popular to support clinical decision-making and healthcare in recent decades. EHRs usually contain heterogeneous informati…

cs.CL2024★ 2 cited

EHRAgent: Code Empowers Large Language Models for Few-shot Complex Tabular Reasoning on Electronic Health Records

Wenqi Shi, Ran Xu, Yuchen Zhuang +7

Large language models (LLMs) have demonstrated exceptional capabilities in planning and tool utilization as autonomous agents, but few have been developed for medical problem-solvi…

cs.CL2023★ 2 cited

Knowledge-Infused Prompting: Assessing and Advancing Clinical Text Data Generation with Large Language Models

Ran Xu, Hejie Cui, Yue Yu +6

Clinical natural language processing requires methods that can address domain-specific challenges, such as complex medical terminology and clinical contexts. Recently, large langua…