Vienna University of Economics and Business
Business-To-Business (B2B) electronic commerce based on the principles of Electronic Data Interchange (EDI) systems has been conducted for a long time. In recent years, the authors observe a switch to a rather business process-based thinking for implementing inter-organizational systems. UN/CEFACT's Modeling Methodology (UMM) - which the author co-authored is considered as one of the mature graphical modeling approaches for modeling inter-organizational business processes. However, UMM has still several shortcoming that prevent a throughout model-driven software engineering approach.