Process Modeling Using Workflow-Nets



Once a project plan is set, various methods can be used for its implementation. The previously reviewed DSM based simulations do not use a formal method for implementing the process model. Such methods include proprietary workflow models, graphical evaluation and review technique Graphical Evaluation and Review Technique (GERT), Task netsTask net, pi-calculus, and Petri netsPetri net (discussed in the next section).For its implementation, the process is defined by the Process schemeProcess scheme model representing the precedence relations in addition to process logic. Generalized precedence relations Generalized Precedence Relations (GPR) (Elmaghraby, Eur J Oper Res, 82:383–408, 1995) include the typical end–start relations, start–start, end–end, and iterations (cycles). The overlapOverlap relation was defined in Cho and Eppinger Conf on (DECT 2001/DTM), as a start–start relation with delay. The relations are implemented by defining the Input Logic of an activity (pre-conditions) and the Output Logic (post-conditions).


DAGDirected Acyclic Graph Process Scheme Input Place Correctness Criterion Output Place 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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© Springer-Verlag London Limited  2011

Authors and Affiliations

  1. 1.School of Mechanical EngineeringTel Aviv UniversityTel AvivIsrael

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