For what Purpose and by which Means Should we Describe Organizational Processes?

The paper outlines a comparison of UML Activity Diagrams (AD)with the EPC 'blueprints' in a worldwide SAP-project of a large German enterprise.Our case study was performed in the firm's sales company in a North-European country. The paper designs artifacts for organizational process modeling,compared with the Bunge-Weber-Wand (BWW) ontology. They arematched against two widespread graphical notations, the EPC and the AD.Because of fewer drawbacks of the UML against the ARIS concept, the casestudy used the AD, extending the UML by a system view, which is demandedby the BWW ontology. A systems view appears essential in large projects inorder to facilitate communication with the top management....