The Usefulness of Process Models: A Lifecycle description of how Process Models are used in Modern Organisations

Abstract

Considerable attention has been given to the development of process modelling methodology over a number of years. As well as being used for the traditional concerns of analysis and design, executable process models have been developed in order to facilitate the implementation and evolution of systems. This paper investigates whether and how process models are useful. To answer this question a simple system development life cycle is set out, and at each stage the use of process models is described from accounts given in the literature and from practical experience. The process models considered in these accounts are both the conceptual forms and the executable forms of models. Our conclusions are that process models are still best understood and most successfully used as traditional analysis and design tools. Their usefulness in implementation is less obvious even in projects where the transfer of these technologies was a specific aim. We propose that further research should be done and...

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