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A Practical Guide to SysML, 3rd Edition by Rick Steiner, Alan Moore, Sanford Friedenthal

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Chapter 12

Modeling Functionality with Use Cases

Abstract

Chapter 12 describes how to model the high-level functionality of a system with use cases. Use cases describe the functionality of a system in terms of how its users use the system to achieve their goals. The users of a system are described by actors, which may represent external systems or humans who interact with the system.

Keywords

use case; use case diagram; actor; subject; include; extend; use case description
This chapter describes how to model the high-level functionality of a system with use cases.

12.1. Overview

Use cases describe the functionality of a system in terms of how it is used to achieve the goals of its various users. The users of a system are described by actors, which may ...

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