Multi Layered Process Modeling

There always is a level of process detail below the lowest model level, which is not modeled.



Im am not speaking here about the BPMN model element sub-process. This is a defined modeling method within one model. I am speaking of two or more set of models, that cover two or more levels of details of a process. This is important, because the sub-process construct has only limited ability to cover certain dependencies on the detailed level.



It not possible to define a sequence flow between activities, which are inside different sub-processes, whereas in having two set of models for different layers, it would be allowed to model more dependencies on the lower level set of models.If it is required to define a more formal relationship between models of different levels, then more needs to be done.



It is necessary to identifiy or relate activities with each other on the different levels and to define how constraints defined on the higher modeling levels apply to the lower modeling level. If there is such a definition, it may be possible to check compliance of models of different levels.



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