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UML Diagrams
Zicomi Systems publishes some UML example diagrams online from the world famous UML dictionary.
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Version 2.5 Released
Zicomi Systems is delighted to announce that version 2.5 of Zicomi Mentor is released. With support for UML 2.0 and all thirteen UML diagrams
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Zicomi Systems' Director
speaks about the UML at Objects by Design - an informative interview
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Partner Programme
Zicom Systems is delighted to announce a new world wide partner programme, become a partner today.
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OMG Member
Zicom Systems is made a member of the OMG!
Lost Message
Lost Message  
A lost message is a kind of message where the sender (event occurrence) is known but the receiver (event occurrence) is not known. It is assumed that the reason it does not have a receiver (reception) is because it never reached its destination.

Explanation

A lost message is a message that is sent but for some reason never reaches its intended destination. In our everyday life messages can be lost. For example we may send an email to someone, which for a number of reasons may not arrive at its intended destination. The lost message can be used to model unpredictable failure of message reception in a system.

Related Entries

Found Message
Found Message  Paired Element,  Graphically Similar
A found message is related to a lost message is the sense that it is the opposite notion, whereas a lost message has a known sender but has no reception, a found message has a receiver but does not have a known sender (or the sender is outside the interest of the model).

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