2.4. Development Frameworks
Information systems development involves at least four worlds: the subject world, the system world, the usage world, and the development world (Jarke et al. 1992). The subject world is the universe of discourse, or business domain, typically part of the real world. The system world is the information system’s model of the UoD, and hence is a formal abstraction. The usage world is the organizational world in which the system is to function and includes the community of users of the system, their user interfaces to the system, associated activities, and so on. This is sometimes called the environment of discourse. The development world covers the environment and processes used to develop the system, including the modelers ...
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