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The Open University

Models and modelling

The Open University via OpenLearn

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Overview

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This course introduces modeling as a way to represent systems and examines data flow, use case, activity, entity–relationship, and state-machine techniques. It includes exercises and examples such as a university registration data model.

Syllabus

  • Introduction
  • Learning outcomes
  • 1 Models and modelling
  • 1 Models and modelling
  • 1.1 Types of model
  • 2 Models
  • 2 Models
  • 2.1 What is modelling?
  • 3 Modelling languages
  • 3 Modelling languages
  • 3.1 Making consistent models
  • 4 Data flow diagrams
  • 4 Data flow diagrams
  • 4.1 What is a data flow diagram?
  • 5 Four other diagramming techniques
  • 5 Four other diagramming techniques
  • 5.1 More information about modelling techniques
  • 6 Use cases and actvity diagrams
  • 6 Use cases and actvity diagrams
  • 6.1 Use case modelling
  • 6.2 Actors
  • 6.3 Describing use cases
  • 6.4 Scenarios
  • 6.5 More about actors
  • 6.6 Modelling the relationships between use cases
  • 6.7 Stereotypes
  • 6.8 Sharing behaviour between use cases
  • 6.9 Alternatives to the main success scenario
  • 6.10 To extend or include?
  • 6.11 Issues with use cases
  • 6.12 Self-assessment questions
  • 6.13 Exercises
  • 7 Modelling users' routines
  • 7 Modelling users' routines
  • 7.1 Activity diagrams
  • 7.2 Exercises
  • 8 Entity–relationship data modelling
  • 8 Entity–relationship data modelling
  • 8.1 Introduction
  • 8.2 Example of a university registration data model
  • 8.3 Entities
  • 8.3 Relationships
  • 9 An introduction to state machines
  • 9 An introduction to state machines
  • 9.1 What is a state machine?
  • Conclusion
  • References
  • Acknowledgements

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