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J. Ahn

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Open access Aug 2026

A machine-assisted framework for systematic error analysis in clinical concept extraction

MedError, a machine-assisted, human-in-the-loop framework, improves the standardization, validity, and efficiency of clinical NLP error analysis, supporting more transparent and trustworthy model deployment.

Sun-Yang Fu, Qiu-Hao Lu, J. Ahn et al. · 1 citation
#large language models Open access Sep 2026

A multi-site benchmarking framework for scalable extraction of geriatric care constructs from electronic health records

Findings highlight key trade-offs among symbolic, generative, and instruction-tuned approaches for CGA and 4Ms phenotyping, suggesting that hybrid heuristic-LLM methods offer interpretability and stability, whereas large language models provide greater adaptability for complex clinical narratives.

Sun-Yang Fu, M. J. Kwak, J. Ahn et al. · 0 citations
Aug 2026

REFINE: Closing the Loop Between Large Language Models and Symbolic Rules in Clinical NLP

This study investigates whether large language models (LLMs) can assist in identifying extraction errors and generating candidate rules to improve symbolic clinical NLP systems and suggests that LLMs can support scalable rule refinement for symbolic clinical NLP systems.

N. Wang, A. Kakadiaris, C. Li et al. · 0 citations

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