collaborators

7 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

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.CL2025

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.CL2025

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…

cs.CL2024

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…