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Use Cases: Patterns and Blueprints by Karin Palmkvist, Gunnar Övergaard

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Chapter 42. Mistake: Mix of Abstraction Levels

Fault

A use-case model containing use cases defined at different levels of abstraction.

Keywords: Business use case, different reader categories, level of abstraction, level of detail, levels of use cases.

Incorrect Model

Model

Model

Detection

It is often apparent already from the use-case names when a model comprises use cases at different levels of abstraction. Some will be describing general actions and abstract concepts, whereas others will describe detailed actions and concrete concepts.

Otherwise, a litmus test for this modeling mistake is to let a designer perform a review of the use-case model, checking ...

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