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Qing-Yang Zhang

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#machine learning Preprint Oct 2026

Bridging the EHR Divide: Asymmetric Contrastive Learning for Cross-National Medical Representation Transfer

Cross-system transfer of longitudinal Electronic Health Record (EHR) representations is challenging because clinical coding, patient populations, and healthcare workflows differ substantially across institutions and countries. We introduce Asymmetric Supervised Contrastive Learning (Asymmetric SupCon), a task-specific...

Qing-Yang Zhang · 0 citations