Model Checking Clinical Decision Support Systems Using SMT

01/11/2019

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by   Mohammad Hekmatnejad, et al.

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Individual clinical Knowledge Artifacts (KA) are designed to be used in Clinical Decision Support (CDS) systems at the point of care for delivery of safe, evidence-based care in modern healthcare systems. For formal authoring of a KA, syntax verification and validation is guaranteed by the grammar. However, there are no methods for semantic verification. Any semantic fallacy may lead to rejection of the outcomes by care providers. As a first step toward solving this problem, we present a framework for translating the logical segments of KAs into Satisfiability Modulo Theory (SMT) models. We present the effectiveness and efficiency of our work by automatically translating the logic fragment of publicly available KAs and verifying them using Z3 SMT solver.