When a system should be included as an actor in use case diagram?

Posted by Teddy on Stack Overflow See other posts from Stack Overflow or by Teddy
Published on 2010-05-15T18:49:37Z Indexed on 2010/05/15 18:54 UTC
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uml

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usecases

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usecase

Hi.
I'm making a use case diagram for a new system. I'm wondering when a system should be included as an actor in use case diagram?

Thanks.

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