5
votes
1answer
6k views

Are using <<include>> and <<extend>> relationship in this use-case diagram actually same?

I am trying to draw a UML use-case diagram to model requirements for a software project. The two requirements I have issue to model are: TravelAgent creates a booking for a [old] client who is ...
2
votes
3answers
307 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 ...