Currently, many approaches address the enforcement and monitoring of constraints over business processes. However, main focus has been put on constraint verification for intra-instance process constraints so far, i.e., constraints that affect single instances. Existing approaches addressing instance-spanning constraints only consider certain scenarios. In other words, a holistic approach considering intra-instance, inter-instance, and inter-process constraints is still missing. This paper aims at closing this gap. First of all, we show how the Identification and Unification of Process Constraints (IUPC) compliance framework enables the definition of instance-spanning process constraints in a flexible and generic way. Their enactment and enforcement is demonstrated within a prototypical implementation based on a service-oriented architecture.

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