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Requirements Analysis: From Business Views to Architecture by David C. Hay

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Chapter 4. Column Two: Activities

The activities dimension of the Architecture Framework is concerned with what the enterprise does. Specifically, what kinds of transformations of material and information take place in the course of doing business? What are the enterprise's activities in carrying out its mission? The modeling of an enterprise's activities is somewhat less coherent than the modeling of its data, because there are many very different ways of viewing activities.

The object-oriented world tends to view the activity and data columns together. Certainly in object-oriented design the activities are designed as adjuncts to the code which defines the data in object classes. In analysis, that is possible to some degree, although it is still ...

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