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Enterprise Model Patterns: Describing the World (UML Version) by David C. Hay

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Things and the Enterprise Model

Figure 9-2 shows the Thing model expanded to include, as sub-types, references to the enterprise entities described for the enterprise model in Section Two.

Thing has sub-types to portray:

·         Activity

·         Asset

·         Geographic Location

·         Party

The initial instances of Thing Type are indeed Activity, Geographic Location, Asset, and Activity. These are represented on the diagram as instances of Other Thing Type. In the case of more detailed categories of these four, they are instances of the more detailed Party Type, Geographic Location Type, Asset Type, and Activity Type. Each of these is described in the appropriate chapter in Part Two of this document.

The concept of Thing Specification ...

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