There has been relatively little work on formal analysis of expressiveness and verification of structural, behavioural and temporal properties in clinical workflow. In this paper we discuss Coloured Petri nets (CPNs) as a formalism to support such analysis. We show in detail how a typical clinical guideline language (PROforma) may be formally mapped to a CPN representation, then show how such a mapping allows formal proofs that a guideline language is capable or is not capable of expressing a standardised workflow pattern.
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