Questions tagged [use-case-diagram]
191 questions
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How to implement a GDPR compliant use-cases in the diagram
I'm stuck with one small part of my project. The main idea of the project is:
There are a customer, a bank and a shop as actors.
A customer wants to make an order but before he/she does it, the bank needs to check if the customer is on a…
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Use cases Extends and include
I have a not completed diagram of e-commerce order
I am not sure of the include and extend relatationship
Does this diagram is correct for the attached flow

24sharon
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Use Case Diagram for timetable system
This is the Use Case Diagram I made for the timetable system of my college:
Is my diagram correct? Or does it need more use cases?

Student777
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Can an actor have a direct relationship to an use-case that starts after another use-case succeeded?
I want to write an application that can upload a file, validate that file, convert it and return the file in the new format.
The user has to upload a file. The next step is to choose a template that the system has to use for validation. This second…

Rva03
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Can we use include on extension points as the diagram shows
I am making a use case to present 2 FA process for my desktop application where the user will be required to either choose a secret question or SMS code for 2FA.
Is it correct to include extension points to show the login process?
This is what I…

Hancy
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UML use case diagram - depicting relationships correctly?
I wondered if anyone could let me know whether this diagram is approximately correct?
I am depicting a database booking system and am very confused about the relationships between some of these use cases. I am fairly sure that I should include…

Jenny
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Correct notation of extending use case
I'm wandering whether the following use case diagram is correct because I'm not sure if such notations are possible: something is going from extending use case, and this notation of this transition. I haven't found any information regarding such…

S.Drumble2
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Can the use cases be executed independent according to this UML diagram?
I had a discussion with my academic teacher which tried to convince me that current diagram describes business requirement: "Actor2 can make use case 'Open transactions list' only after he makes 'Sign in' ". In my opinion and what I understand from…

iX0ness
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How to identify class stereotypes for use case scenario?
How to identify class stereotypes for use case scenario?
I have my use case scenario. But Identifying class stereotypes means?

Prasad D. Warnakulasuriya
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Extended use case help! UML
In my use case diagram, there is a use case called "View Toy", where both the member and visitor can view the toy. However, the extended use case "Purchase toy" can only be done by a member. Should I have them as separate use cases?

Ian Lee
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Use Case Diagram UML, will a mobile phone and customer be 2 different actors or the same? (ECLIPSE)
For example how do we know that the customer and the mobile phone user are not 2 different people so for example a parent ordered the contract phone but her/his kids use it, so you'll have 2 actors one called mobile phone user and one called…

PedramCarter
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