All of these factors exist in their respective contexts and influence the information system
development project. This is not a definite list; however, it helps to understand that there
exist different factors when the system is studied with different perspectives. To examine the
roles and dependencies of these factors in an integrated environment of information system
development project, Chris Sauer presented Triangle of Dependencies (Sauer, 1993). The
triangle of dependencies presents a cycle of interaction between supporters/users, the project
development organization, and the system (under development) itself.
Model.of.IS.Project:.Triangle.of.Dependencies
The project organization (ALPHA in this case study) is defined as a group of people who,
at a particular point in time, are occupied with the development, operation, or maintenance
of a given information system (project GAMMA in this case). The information system must
serve some organizational stakeholders and thereby function as a resource for the project
organization in gathering support. Supporters (BETA and its employees in this case) provide
support in terms of monetary resources, material resources, information, and so forth. This
triangle is depicted in Figure 1, and it is not a closed triangle.
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