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The paper argues that, as a language for representing concrete problem domains, the quality of the UML is compromised by its many referentially redundant modelling constructs. A referential redundancy occurs when several modelling constructs or model elements refer to the same classes, things or properties in the problem domain. Referential redundancy compromises language and model quality because...
The paper points to weaknesses of conceptual modelling languages that are oriented towards certain aspects of the problem domain of information systems (IS) development, e.g., activities, information resources, objects, or actors. It is concluded that modelling languages are needed that allow modellers to 1) freely choose to represent a wide and extensible range of aspects of problem domain phenomena...
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