arXiv:2604.21027v1 Announce Type: new Abstract: Electronic health record (EHR) question answering is often handled by LLM-based pipelines that are costly to deploy and do not explicitly leverage the hierarchical structure of clinical data. Motivated by evidence that medical ontologies and patient trajectories exhibit hyperbolic geometry, we propose HypEHR, a compact Lorentzian model that embeds co
HypEHR: Hyperbolic Modeling of Electronic Health Records for Efficient Question Answering
Yuyu Liu, Sarang Rajendra Patil, Mengjia Xu, Tengfei Ma·arXiv cs.AI··1 min read
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