Before you start drawing use case diagrams, you need to identify and define the non-functional requirements that are relevant and important for your system. You can use various techniques, such as ...

This study focuses on extracting Unified Modeling Language artifacts for evaluation related to the consistency of interaction design and functionality flow of an application in the software ...

Use Case Diagrams Use case diagrams describe a set of actions (called use cases) that a system should or can perform in collaboration with one or more external users of the system (called actors).

Use Case Diagrams Use case diagrams describe a set of actions (called use cases) that a system should or can perform in collaboration with one or more external users of the system (called actors).