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abstract indexed · arXiv 2610.20512 · updated 2026-10-18

A Two-Level Clinical Novelty Prioritization Framework for Disease Trajectories Discovered from Longitudinal Electronic Health Records

First page of A Two-Level Clinical Novelty Prioritization Framework for Disease Trajectories Discovered from Longitudinal Electronic Health Records
From the original paper · arXiv 2610.20512Page 1. Select the image to read the PDF.

The method replaces clinician-adjudicated or purely structural ranking of discovered EHR disease-trajectory motifs with a two-level score combining embedding-based semantic sparsity against 166,972 PubMed references and reliability-adjusted clinical priority. It costs a one-time embedding and calibration pass over motif textualizations (feasible on a single GPU or CPU with bge-small-en-v1.5), but requires an upstream trajectory-discovery pipeline, MIMIC-IV-scale longitudinal EHR data, and a curated literature reference corpus. Hard top-k membership was unstable across encoders, templates, and score settings, the semantic score showed no monotonic forecasting benefit, and agreement with an independent RND baseline was low (q90 Jaccard = 0.125), so ranking decisions can shift under reasonable configuration changes.

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technical change
Literature-relative novelty prioritization for EHR disease trajectories
published
2026-10-14

The method addresses clinical-EHR research infrastructure and data prerequisites that fall outside a production AI/ML adoption decision, and its own robustness analyses show the prioritization is only stable at broad ordering granularity.

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    The method replaces clinician-adjudicated or purely structural ranking of discovered EHR disease-trajectory motifs with a two-level score combining embedding-based semantic sparsity against 166,972 PubMed references and reliability-adjusted clinical priority. It costs a one-time embedding and calibration pass over motif textualizations (feasible on a single GPU or CPU with bge-small-en-v1.5), but requires an upstream trajectory-discovery pipeline, MIMIC-IV-scale longitudinal EHR data, and a curated literature reference corpus. Hard top-k membership was unstable across encoders, templates, and score settings, the semantic score showed no monotonic forecasting benefit, and agreement with an independent RND baseline was low (q90 Jaccard = 0.125), so ranking decisions can shift under reasonable configuration changes.

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  2. claim 02Paperraft inference

    In the frozen catalog-q90 high-semantic subgroup, branch-enhanced forecasting reduced conditional event-time MAE by 20.1 days (95% CI, 13.3-27.0) and sMAPE by 2.37 percentage points (95% CI, 1.81-2.93); discrimination and endpoint-ranking differences were inconclusive.

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