Use case diagram can be refined or decomposed into activity diagrams, and activity diagrams can be traced back to use case diagrams. Add your perspective Help others by sharing more (125 ...

For example, if you have a use case for ordering a pizza, you can use a high-level use case diagram to show the main actors and use cases, a low-level activity diagram to show the steps and ...

UML diagrams became a common part of software requirement documentation, implementation, etc. In particular, the Use Case Diagram (UCD) is considered as the de-facto standard for modelling the user ...

To address this, in this paper we propose a formal grammar for the three of the commonly used UML diagrams - Use Case diagram, which is used to capture functional requirement; Activity diagram, which ...

Decision nodes are an important part of designing UML state diagrams and activity diagrams. Even the most simple of diagrams tend to have some form of conditional. Mermaidjs, however, does not support ...