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Graph–Neurosymbolic Neural Networks for Trustworthy Clinical Decision Support
Proceedings of IndabaX Nigeria 2026: Building Scalable AI That Works: From Research to Deployment in Resource-Constrained Environments, PMLR 319:244-263, 2026.
Abstract
We propose a Graph–Neurosymbolic Framework for Trustworthy Clinical Decision Support that integrates graph-based neural learning with formal symbolic medical reasoning. Patients and clinical entities are represented as a heterogeneous clinical graph; domain knowledge encoded as first-order logic and Horn-clause rules explicitly constrains graph construction, neural message passing, and inference. The framework is evaluated on MIMIC-IV and eICU-CRD, demonstrating competitive predictive performance while substantially reducing clinical rule violations, producing high-fidelity rule-consistent explanations, and exhibiting improved robustness under distribution shift across institutions.