In September 2001, the Object Management Group
(OMG) , together with INCOSE , founded the Systems Engineering Domain Special
Interest Group (SE DSIG) [20] to develop a standardized extension of UML to be
used as a modeling language for the specifi cation, the design, and the verifi cation
of complex Systems. According to the standardization process of OMG [34], a
Request for Information (RFI) [40] was published in February 2002 to obtain
information about requirements to the UML extension. In March 2003, based on
FIGURE 4-1
SysML = UML++??“??“.
SysML UML UML for SysML
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the responses to the RFI, a Request for Proposal (RFP) entitled ??? UML for Systems
Engineering ??? [47] was formulated to describe a rough framework and invite submissions
of specifi c proposals.
A work group by the name of SysML Partners was formed in May 2003. They
called their proposal for the requested extension Systems Modeling Language
( SysML ). This work group was composed of various representatives from the
industry (e.g., Lockheed Martin Corporation, Deere & Company, oose Innovative
Informatik GmbH), governmental authorities (e.
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