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Author

Surajit Das

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#artificial intelligence Preprint Oct 2026

Proof-Grounded Patient-Specific Clinical Explanations from Knowledge-Graph Reasoning

Clinical decision-support outputs can lack an au- ditable link between patient observations, encoded knowledge, conclusions, and recommendations. We present the CKG Clinical Explanation Engine, a downstream layer for a frozen, training-free clinical knowledge-graph reasoner that converts patient inference states and di...

Surajit Das · 0 citations
#artificial intelligence Preprint Sep 2026

Training-Free Clinical Reasoning through Medical Ontologies and Cognitive Mapping: A Symbolic-Probabilistic Knowledge Graph Framework

Most clinical prediction systems learn patient-variable-outcome associations; we investigate a training-free diagnostic paradigm mapping patient observations to explicit medical knowledge. CKG Reasoner integrates candidate-specific Evidence Feature Nodes, patient-reference matching, a bounded Information Gate, knowledg...

Surajit Das · 0 citations

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