Sanghoon Lee

Ensemble multi-retrieval methodologies with reasoning model decision in multi-step biomedical QA

Abstract Robust and trustworthy biomedical question answering (QA) remains a critical challenge for large language models (LLMs), especially in complex domains such as rare diseases, where information is fragmented across multiple sources. MedHopQA 2025 benchmark introduces 10 000 multi-step reasoning questions curated...