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  Have You Heard?
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!



  • hundreds of interactive example UML diagrams
  • comprehensive explanations of UML 2
  • can be used as a UML tutorial
  • hints, tips and usage guidelines
  • self-paced quizzes
  • Online UML Dictionary

The product is easy to use, intuitive and can be used by business and technical people providing a reference that is appropriate for beginners and experts alike...
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Zicom Mentor Screen
  Today's UML Element
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 beca... more...
  Today's Testimonial
"The UML is rich and powerful but can be overwhelming for beginners. Zicom Systems UML mentoring tool has helped me enormously learning to model software systems with the UML. A fountain of knowledge is just a click away."
David Crayford
Senior Software Engineer
Fundi Software
  Today's Thought Leader
John Venn (1834 - 1923)
Venn was a British mathematician, educated at Gonville and Caius College, Cambridge. He was ordained as a priest in 1859 shortly after his graduation Venn extended the work of Boole and is renowned for his creation of the Venn diagram - a novel way of visualizing sets. The diagrams are simple and compelling and have been used in a diverse range of disciplines from logic, biology, economics and statistics to computer science, Venn published three important books in the field of logic: 'The Logic of Chance' in 1866, 'Symbolic Logic' in 1881, and 'The Principles of Empirical Logic' in 1889. His work on sets is used extensively in UML with the generalization sets and in business and systems analysis.
Unified Modeling Language and UML are either registered

trademarks or trademarks of Object Management Group, Inc. in the

United States and/or other countries.