![]() Just like the UML, it comes from the stable of Object Management Group (OMG). Use case diagram in UML notation Business Process Model and Notation OverviewīPMN is a graphical notation for business process modeling (as the name suggests). This, in turn, may result in an incomplete picture of the business processes. UML notation’s complexity can limit the number of people involved in discussions only to those familiar with UML. Still, you have to know them all to pick the right one for the task. Of course, you won’t be using all the diagrams all the time. In order to use it correctly, you need to learn a lot. Its specification consists of almost 800 pages. A pretty complex one – to tell the truth. Why should I use something else? LimitationsĪs we mentioned before, UML was created as a language. For example, the use case diagram illustrates the ways users interact with the system. These diagrams are used to document the functionalities of the system. Behavior diagrams – describing actions in the system.For example, the objects diagram describes objects present in the system and the relations between them. These diagrams are used to document the architecture of the system. Structure diagrams – focusing on the things present in the system.Diagrams are divided into two categories: ![]() Using these diagrams, we can visualize the system in many different contexts and varying degrees of generalization. We have 14 different diagrams at our disposal. ![]() UML has a lot to offer when it comes to describing systems. The organization maintaining it – Object Management Group – claims that it is used by over 70% of software development organizations worldwide. It is a well-established solution widely used in many organizations. It was created in the mid-1990s as a first attempt to standardize the software modeling notation. UML is a general-purpose, object-oriented modeling language. We will start this comparison from the most popular (and the oldest) one. ![]() The first two have an established position in the market and a certain degree of formality, while the third offers an entirely new way of describing businesses. ![]() This article is here to compare three approaches to requirements analysis and business process modeling – Unified Modeling Language, Business Process Model and Notation, and Event Storming. ![]()
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