Abstract

This paper examines the work undertaken in the UK Alvey funded project IPSE 2.5 1 from the point ofviewof the approach taken to the development of the core system. It outlines the reasoning which led to the decision to base the system on a \active process " core rather than the more traditional approaches which have tended to support an entity derived model.It gives a brief overview of the project with an emphasis on the notion of a Process Control Engine. It outlines the basic concepts behind the Process Modelling Language (PML) and the Process Model for Management Support (PMMS) with particular attention being paid to the representation of process change during the execution of a process model. It then illustrates the approach using a case study of an \active process". 1

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