Flexible Scoping of Authorization Constraints on Business Processes with Loops and Parallelism

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Provided by: IBM
Topic: Big Data
Format: PDF
Real-life business process specifications include situations where work may be repeated due to exceptions such as the lack of resources or failed approvals. However, most authorization constraint models for business processes describe them as partially ordered sets of tasks. This abstraction simplifies the analysis of constraints greatly but prevents their use in real systems because control flows with loops are not supported. To overcome this limitation, the authors scope authorization constraints to task instances using the concept of release, which removes associations between users and their previously executed tasks.
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