China 
Africa 
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Collaborative management of process models in enterprise networks
Published in Manuel Martínez, Raimar Scherer, eWork and eBusiness in Architecture, Engineering and Construction, 2020
The Event-driven Process Chain (EPC) (Scheer et al 2005) is a semi-formal business process modelling language. It is applied in SAP R/3 reference process models. Business analysts and process managers use EPC-models in order to plan, design and measure business processes. The language represents an expansion of Petri-Nets by integrating logical operators such as AND, OR, and XOR. The EPC describes processes by alternating functions and events as time-referring state changes. The extended EPC (eEPC) introduces additional elements such as process participants, data, and application systems. The EPC is a core part of the ARIS-framework of Scheer (Scheer 1994). It integrates the different ARIS views towards the description of sequential aspects in information systems within the control view. Modelling with EPCs does not focus on collaboration issues. Process interfaces and their refinement are not of paramount importance for modelling. A typical EPC is depicted in figure 1.
An integrated lean methodology for improving patient flow in an emergency department – case study of a Saudi Arabian hospital
Published in Production Planning & Control, 2018
Ali Al Owad, Premaratne Samaranayake, Azharul Karim, Kazi Badrul Ahsan
Thus, this research is aimed at identifying root causes of patient flow problems in ED through an integrated lean methodology, as the basis for improving overall patient flow, using a case study of a Saudi Arabia Hospital. The main aim is to develop a framework of a lean methodology, integrating the voice of staff, the voice of patients and the voice of the process. The process is modelled using an event-driven process chain (EPC) methodology, identifying key functions and associated activities or steps, resources, materials and data or information which are directly linked with root causes of patient flow problems (such as overcrowding and waste in the process), as the basis for improving overall patient flow in EDs. This is illustrated using a real-world case study that is drawn from a hospital and highlights root causes for ED overcrowding and waste in the patient flow process.