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Applied SOA Patterns on the Oracle Platform by Sergey Popov

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Creating a lightweight taxonomy for dynamic service invocations

Now it is time to assemble a single practical taxonomy for all service entities that our expert teams have identified in the runtime lookup scenarios exercise. The ultimate goal is to present a complete, but a very compact, ESR DB schema.

Service as an entity model

We will start by putting together the basic artifacts, most of which we already identified when counting our lookup entities. It is obvious that everything begins with the Object and that it is the most abstract entity in a hierarchy. Furthermore, we will see that on an enterprise level, we are really dealing with quite a limited number of truly unique things, usually described in the earlier stages of a project's MDA exercises ...

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