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Structured Development for Real-Time Systems by Stephen J. Mellor, Paul T. Ward

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Chapter 13. Integrating the Model Components

Introduction

Partitioning a system into smaller pieces allows us to think about each of the pieces independently without worrying about the details of the rest of the system.

We have partitioned the model into two projections (the transformation schema and the data schema), as well as partitioning each of those projections into components. The leveling notation introduced in the previous chapter also divides the model into pieces. For the model to be useful, there must be internal self-consistency between the components that make up each schema, between the schemas, and between the levels of the model.

Internal consistency of the transformation model

The components of the transformation schema are connected ...

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