Context Models

Learning Objectives

• Explain the three ways to use a model
• Match the types of models to their descriptions
• Develop a High-Level Operational Concept Graphic (OV-1) diagram for a proposed system
• Model a business process using an activity diagram

How to Complete this Lesson

Complete the following learning activities: (2.5–2.75 hours total)

1. Read the following in Software Engineering and (optionally) complete the reading guide:
   • Chapter 5: System modeling (15–30 minutes)
     • Context models
2. Read Activity Diagrams in UML Distilled (20 minutes)
3. Complete the activity diagram handout (15 minutes)
4. Participate in the synchronous session during the class meeting time (optional)
5. Complete the quiz (5–8 minutes)
6. Work on the project sprint (60 minutes)
   • Review others’ changes
   • Respond to feedback on the implementation

Due

As a reminder, the following is due this lesson:

• Quiz: Context Models

Resources

Videos

• All About UML Activity Diagrams (5 minutes)

Activity Diagrams

Overview

Examples

• “The Lion Sleeps Tonight”
• Online Shopping (courtesy uml-diagrams.org)
• Resolve Software Issue (courtesy uml-diagrams.org)
• Ticket Vending Machine (courtesy uml-diagrams.org)

Further Reading

• DoDAF OV-1: High-Level Operational Concept Graphic (3–5 minutes)

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Architecture Practicum Interaction Models