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2
votes
4answers
259 views

Applications of heapsort

Heapsort is a sorting algorithm that has a time complexity of O(nlogn), and performs sorting using O(1) space complexity. However, I know that because it's unstable, it doesn't find many applications ...
0
votes
3answers
146 views

Should I create a use case diagram for each screen?

In projects with many use cases, it's valid to create different use case diagrams, one for each screen? Or I shouldn't guide myself on the GUI of the software to make this, why? As a clarification, ...
1
vote
1answer
80 views

How to show an “or includes” relationship - UML Use case diagram

I haven't come across this issue before and can't find it in my Schaum's Outline UML book and was wondering if someone here could help. I'm making a use case diagram for e-commerce, and in it I want ...
0
votes
6answers
656 views

Writing a killer use case for a cron job [closed]

I'm a beginner when it comes to writing use cases, but I searched a lot and most of the materials I found mentioned that I should concentrate on the business value to the customer when writing a use ...
3
votes
3answers
131 views

What can be used in lieu of use cases to gather requirements?

I'm a programmer currently working in rounds of meetings along with BAs and PM to gather/describe modules and functionality of our case management system; after a few meetings I saw that using 'use ...
0
votes
1answer
112 views

Use Cases with respect to downstream systems

Use cases are primarily meant for interaction between user and a system. It could be used for interaction between system and another system. The actors are primarily roles. It is easy to document ...
5
votes
2answers
436 views

When are RPC-ish approaches more appropriate than REST?

After watching this talk on REST, Reuse and Serendipity by Steve Vinoski, I wonder if there are business cases in greenfield projects for (XML-)RPC-ish setups, that REST could not solve in a better ...
2
votes
2answers
430 views

Describing requirements in SRS - use cases?

I do not have the access to the IEEE standard and information on the net are contradictory. Can I capture user requirements in SRS using use cases? Or I should keep use cases separate as they are more ...
3
votes
2answers
282 views

Behavior-Driven Development / Use case diagram

Regarding growing of Behavior-Driven Development imposing acceptance testing, are use cases diagram useful or do they lead to an "over-documentation"? Indeed, acceptance tests representing ...
4
votes
2answers
147 views

How to manage and estimate unstructured requirements received from customers

A lot of the times during the bidding phase of a project I receive a software system's requirements from our potential customers in a very unstructured format from various sources [email, word ...
2
votes
2answers
160 views

Is this usage of extend relationship in a use case diagram correct?

On this picture: Does updating grades extend a feature that shows grades? I am not sure if the notation is correct, so I am hoping you guys will know it.
-2
votes
1answer
71 views

What details do you expect to see in a Use Case? [closed]

As a programmer, what level of detail and what information do you expect to see in the "Use Case"?
1
vote
1answer
450 views

Is my use case diagram correct?

NOTE: I am self studying UML so I have nobody to verify my diagrams and hence I am posting here, so please bear with me. This is the problem I got from some PDF available on Google that simply had the ...
2
votes
3answers
209 views

How to model two similar tasks with the Use-case diagram

I am trying to draw a use-case diagram for a software project. Two requirements for the software I am trying to model in use-case diagram are: A customer (i.e. Client) should be able to cancel its ...
4
votes
1answer
174 views

Should the database of a web application be considered an actor?

I'm just learning about use-case analysis and use-case diagrams and am a little confused whether or not the MySQL database of a web app should be considered an actor. Is the databased considered ...

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