3/1/2024 0 Comments Sample use case diagrams![]() Use Case Relationship - Visual Representation Use case relationships are listed as the following: Reuse of an existing use case by using different types of relationships reduces the overall effort required in developing a system. A relationship between two use cases is basically modeling the dependency between the two use cases. Defining the relationship between two use cases is the decision of the software analysts of the use case diagram. Use cases share different kinds of relationships. Structuring Use Case Diagram with Relationships The entire system can span all of these modules depicting the overall system boundary.can form a system boundary for use cases specific to each of these business functions.For example, for an ERP system for an organization, each of the modules such as personal, payroll, accounting, etc.For large and complex systems, each modules may be the system boundary.The system boundary is potentially the entire system as defined in the requirements document.Actors may be connected to use cases by associations, indicating that the actor and the use case communicate with one another using messages.The participation of an actor in a use case is shown by connecting a actor to a use case by a solid link.Each Actor must be linked to a use case, while some use cases may not be linked to actors.System function (process - automated or manual). ![]()
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