Hyunjae Kim
Postdoctoral Associate in Biomedical Informatics and Data ScienceAbout
Research
Publications
Featured Publications
Small language models learn enhanced reasoning skills from medical textbooks
Kim H, Hwang H, Lee J, Park S, Kim D, Lee T, Yoon C, Sohn J, Park J, Reykhart O, Fetherston T, Choi D, Kwak S, Chen Q, Kang J. Small language models learn enhanced reasoning skills from medical textbooks. Npj Digital Medicine 2025, 8: 240. PMID: 40316765, PMCID: PMC12048634, DOI: 10.1038/s41746-025-01653-8.Peer-Reviewed Original Research
2026
Toward federated large language models in medicine: a parameter-efficient framework for privacy-preserving, multi-institutional adaptation
Li A, Chen Y, Long W, Yin Y, Hu Y, Kim H, Zhou W, Zhou Y, Peng H, Ren Y, Ai X, Qin Z, Hu M, Li X, Yu H, Tham Y, Ohno-Machado L, Xu H, Chen Q. Toward federated large language models in medicine: a parameter-efficient framework for privacy-preserving, multi-institutional adaptation. Npj Digital Medicine 2026 DOI: 10.1038/s41746-026-03064-9.Peer-Reviewed Original ResearchMemorization in large language models in medicine prevalence characteristics and implications
Li A, Qian L, Du M, Yin Y, Hu Y, Sun Z, Fu Y, Kim H, Stutz E, Ai X, Xie Q, Zhu R, Huang J, Yang Y, Liu S, Tham Y, Ohno-Machado L, Cho H, Lu Z, Xu H, Chen Q. Memorization in large language models in medicine prevalence characteristics and implications. Nature Communications 2026, 17: 7729. PMID: 42315854, PMCID: PMC13434820, DOI: 10.1038/s41467-026-73779-6.Peer-Reviewed Original ResearchThis study systematically examined what large language models memorize when adapted for medicine, how frequently memorization occurs, how much content is retained, and how it may affect downstream medical applications.
2025
BEnchmarking Large Language Models for Ophthalmology (BELO): An Expert-Curated Data Set and Evaluation Framework for Knowledge and Reasoning
Srinivasan S, Ai X, Lo T, Gilson A, Zou M, Zou K, Kim H, Yang M, Pushpanathan K, Yew S, Loke W, Goh J, Chen Y, Kong Y, Fu E, Ong M, Nwanyanwu K, Dave A, Li K, Sun C, Chia M, Yang G, Wong W, Chen D, Liu D, Singer M, Antaki F, Del Priore L, Jonas J, Adelman R, Chen Q, Tham Y. BEnchmarking Large Language Models for Ophthalmology (BELO): An Expert-Curated Data Set and Evaluation Framework for Knowledge and Reasoning. Ophthalmology Science 2025, 6: 101050. PMID: 41696659, PMCID: PMC12906013, DOI: 10.1016/j.xops.2025.101050.Peer-Reviewed Original ResearchOphthalmological Question Answering and Reasoning Using OpenAI o1 vs Other Large Language Models
Srinivasan S, Ai X, Zou M, Zou K, Kim H, Lo T, Pushpanathan K, Yang G, Goh J, Kong Y, Li A, Singer M, Jin K, Antaki F, Chen D, Liu D, Adelman R, Chen Q, Tham Y. Ophthalmological Question Answering and Reasoning Using OpenAI o1 vs Other Large Language Models. JAMA Ophthalmology 2025, 143: 740-748. PMID: 40742581, PMCID: PMC12314776, DOI: 10.1001/jamaophthalmol.2025.2413.Peer-Reviewed Original ResearchETHIC: Evaluating Large Language Models on Long-Context Tasks with High Information Coverage
Lee T, Yoon C, Jang K, Lee D, Song M, Kim H, Kang J. ETHIC: Evaluating Large Language Models on Long-Context Tasks with High Information Coverage. 2025, 5497-5512. DOI: 10.18653/v1/2025.naacl-long.283.Peer-Reviewed Original ResearchRationale-Guided Retrieval Augmented Generation for Medical Question Answering
Sohn J, Park Y, Yoon C, Park S, Hwang H, Sung M, Kim H, Kang J. Rationale-Guided Retrieval Augmented Generation for Medical Question Answering. 2025, 12739-12753. DOI: 10.18653/v1/2025.naacl-long.635.Peer-Reviewed Original ResearchLearning from Negative Samples in Biomedical Generative Entity Linking
Kim C, Kim H, Park S, Lee J, Sung M, Kang J. Learning from Negative Samples in Biomedical Generative Entity Linking. 2025, 10714-10730. DOI: 10.18653/v1/2025.findings-acl.558.Peer-Reviewed Original Research
2024
Augmenting biomedical named entity recognition with general-domain resources
Yin Y, Kim H, Xiao X, Wei C, Kang J, Lu Z, Xu H, Fang M, Chen Q. Augmenting biomedical named entity recognition with general-domain resources. Journal Of Biomedical Informatics 2024, 159: 104731. PMID: 39368529, DOI: 10.1016/j.jbi.2024.104731.Peer-Reviewed Original ResearchCookingSense: A Culinary Knowledgebase with Multidisciplinary Assertions
Choi D, Gim M, Park D, Sung M, Kim H, Kang J, Choi J. CookingSense: A Culinary Knowledgebase with Multidisciplinary Assertions. 2024, 3983-3996. DOI: 10.63317/4p4geitad7ci.Peer-Reviewed Original Research
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