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PhD ThesisMost organisations are working hard to improve their performance and to
achieve competitive advantage over their rivals. They may accomplish these
ambitions through carrying out their business processes more effectively. Hence it is
important to consider such processes and look for ways in which they can be
improved.
Any organisational business process encompasses several elements that
interact and collaborate with each other to achieve the required objectives. These
elements can be classified into hard aspects, which deal with tangible issues related to
the software system or the technology in general, and soft aspects, which deal with
issues related to the human part of the business process. If the business process needs
to be analysed and redesigned to improve its performance, it is important to use a
suitable approach or intervention that takes into account all of these elements.
This thesis proposes an approach to investigate organisational business
processes by considering both soft and hard aspects. The approach, Soft Workflow
Modelling (SWfM), is developed as a result of reviewing several workflow products
and models using a developed workflow perspectives framework which involves
several perspectives covering the soft and hard aspects of the workflow system. The
SWfM approach models the organisational business process as a workflow system by
handling the various perspectives of the workflow perspectives framework. This
approach combines the Soft Systems Methodology (SSM) with the Unified Modelling
Language (UML), as a standard modelling language of the object-oriented paradigm.
The basic framework adopted is that of SSM with the inclusion of UML diagrams and
techniques to deal with the aspects that SSM cannot handle. The approach also
supports SSM by providing a developed tool to assist in constructing a conceptual
model which is considered as the basis to model the workflow system. A case study is
developed for illustrative purposes
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