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Difference between revisions of "EPC Modelling Event"


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[[File:EPC Modelling event.jpg|frameless|center]]
 
[[File:EPC Modelling event.jpg|frameless|center]]
''Figure 3.  EPC event''
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''Figure 6.  EPC event''
  
 
== References ==
 
== References ==

Revision as of 12:58, 12 September 2017

Short description

The modelling of the event is a crucial phase of the proposed procedure model, since the phase not only determines the end of the modelling process, but also includes most decisions regarding the modelling of operators. Additionally, the event phase is highly influenced by EPC rules, a highlighted in Figure 6. The modelling of an event succeeds, in any case, the function phase. Initially, it needs to be determined whether there is a previously modelled split of the process flow operator or, in the case of multiple start events, two process paths that need to be merged. When that is the case, a corresponding join operator is inserted to join the process flow. The main task of the phase is the check and subsequent decision-making in terms of events to be modelled. In the simplest case, there is no split and the process flow continues via a single event. However, the process description may indicate the need for multiple events. If that is the case, a subsequent check of the textual description reveals in which way the multiple functions need to be modelled. The user decides whether an exclusive choice (XOR operator), and inclusive choice (OR operator) or a parallel occurrence is required to fit the description. For each decision, the corresponding operator needs to be modelled and connected to the function that precedes the operator. The actual modelling of the event is similar regardless of the previously chosen decision. Again, there are two scenarios the modeller might face:

In the first case, the event to be modelled is an entirely new one, hence not already included in the model. In the second case, the event already exists in the model. Subsequently, the previously chosen split connector needs to be connected to a corresponding join operator preceding the identified existing event. Towards the end of the event phase, the user needs to assess the pro-cess description whether the process flow ends. If so, the end event phase is triggered. If the process flow continues, the user then needs to check for a potential join. When there is no need for a join, the modeller enters the function phase again. However, in the case of a join, a join operator of similar type to the split operator is required. Afterwards, the function initiates another iteration of the EPC modelling cycle.

EPC Modelling event.jpg

Figure 6. EPC event

References


  • [1] Jannaber, S., Riehle, D., Delfmann, P., & Thomas, O. (2017). HELP IS ON THE WAY–PROVIDING USER SUPPORT FOR EPC MODELLING VIA A SYSTEMATIC PROCEDURE MODEL.