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Domain Modelling: Introduction & Partitioning Conceptual Model

This introduction explains important domain concepts visually, focusing on object-oriented analysis activities. Explore domain objects, attributes, and relationships through a visual dictionary using UML notation. Learn how to partition domain models effectively, drawing insights from Abbott Analysis, Fowler's Analysis Patterns, and more. Understand the significance of associations over attributes when representing concepts. Discover the approach to modeling domain concepts accurately without focusing on software objects.

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Domain Modelling: Introduction & Partitioning Conceptual Model

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  1. The Domain Model

  2. Introduction • Partitions and illustrates the important domain concepts. • A classic object-oriented analysis activity. • What are the objects of interest in the this domain? • their attributes? • their relationships? • IMPORTANT: Not software objects, but a “visual dictionary” of domain concepts.

  3. A Domain Model Does Not Represent Software Objects • A model of domain concepts, not of software objects. • A “visual dictionary” of important words in the domain. • Uses UML static structure diagram notation.

  4. Terminology • UP domain model = book conceptual model

  5. Partitioning the Domain Model • Although this is conceptually accurate, a person will not actually draw package boxes around groups as in this example. Rather, a CASE tool will allow “drill down”.

  6. Finding Domain Concepts • Candidate lists • “Abbott” Analysis • Existing analysis patterns • Analysis Patterns, Fowler • Data Model Patterns, Hay • The Data Model Resource Book, Silverston

  7. Associations

  8. Multiplicity

  9. Focus on Important Associations

  10. Attributes • Show only “simple” relatively primitive types as attributes. • Connections to other concepts are to be represented as associations, not attributes.

  11. Do Not Use Attributes To Relate Concepts • Why not?

  12. An Example

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