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Questions tagged [use-case-diagram]

191 questions
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How do I show exception in use case diagram?

I am working on a Use-case diagram (UML) and I am required to show an exception in it visually. The scenario is of a library. And the exception I want to show is system shutdown. How can I show it? Can I just use extend relationship to show the…
Trove101
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UML Exercise ATM Use-case diagram

I have an assignment in which the following conditions are set forth: Brief Statement of Purpose: An ATM is an electronic device designed for automated dispensing of money. A user can withdraw money quickly and easily after authorization. The user…
Jessica Garnica
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Actors in use case diagrams

I'm quite confused about what my actors should be in my use case diagrams. For example, below is the use cases for a subsystem that deals with shipping orders for an online store. I don't understand what the actors should be for these. It is just…
somebloke
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How to model in UML Use Case Diagram a different external system based on the role of the primary actor?

I am modeling a software that requires to be interfaced with an optical tracking sensor, to measure the pose of some objects through optical markers. A general user interacts with this sensor (say External System 1) in two different use cases (say…
Marco Ferro
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An email System outside the SUD is considered an actor while receiving an email from it?

In a use-case I've included a step in which the SUD(System under development) sends an email externally. Does the email system receiving that email is considered an actor? Or even a stakeholder? According to my studies, everything that interacts…
Alan
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Multiple actors in a use case diagram but all apart of the same general role

So for a forum in where there's different roles on the forum I've got a question. Basically there's an moderator/editor role on the forum where the user can edit posts, then there is another moderator/editor role that can edit general information on…
Squidwarden33
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Use case diagram extend or include for admin relation to customer order

So basically i'm wondering if I'm thinking correctly. In an e-commerce environment does the order of a product have a relationship to the admin use case of managing orders? Once an order has gone through is the admin then going to be able to see…
Squidwarden33
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Dependency in Use Case Diagrams

I'm working on a high-level Use Case Diagram for a business system and want to express a relationship between 2 separate Use Cases, as follows: Actor1 performs UseCase1 Actor2 performs UseCase2 But the results of UseCase2 are in someway affected…
sdsm
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Review of an UML use case diagram for an expense tracking tool

I need to create an expense tracking tool. This tool will allow an individual user to keep a record of their expenses and also to predict financial status at a certain date. User Interface This will be built as a .NET C# windows forms desktop…
Shenah
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How to draw a use case diagram when an actor can change the other actor's use cases?

Let's take a social group system as example; Actors are the Admin and the Moderator. Use Cases : ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ (Delete posts) ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎…
Abderrahman Elfannir
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Use case diagram "details" tab says "No Details"

I would like to add some preconditions to my use case but as soon as i enter my use case (description and all other tabs) the "Details" tab says "No Details". only one use case has an option to add preconditions and actually see the "Details"…
גיא לוי
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External System in UML

I am currently working on software requirements specification document, I am creating a use case to validate or communicate with external system, for example I a want to creating a use case that about sending notification emails to user outlook…
yogasp
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What is actually goes into each use case activity node? A set path of menu, or the actual end activity?

I'm a complete newbie in UML use case diagram, and trying to grasp the concept of use case. I've just scourging over several videos, tutorials, and examples of UML. But I still have question regarding my case. So for example, I want to create a use…
Chen Li Yong
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how to include an use case which is activated by another use case only?

I have a roster application written in VBA. I want to model it in UML. The business rules are that: We have 3 shift for each day(A, B, C). We have 5 colleagues who work in shift duty. We have blacklist shift sequence (e.g. after C/night shift,…
The KNVB
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Use Case Diagram logic

I'm currently studying for my final exams, and I'm trying to get my head around the use case diagrams. I usually can do the diagrams without problems, but i have been stuck on this one specifically which im not sure if it is correct or not. Here…
Miguel
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