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Issue No.12 - December (2000 vol.33)
pp: 30-35
<p>Since its introduction a few years ago, the Unified Modeling Language (UML) has captured industrywide attention as a general-purpose language for modeling software systems. Although it does a good job in the early-phase development process, UML does leave some things to be desired in the systems design and implementation phases because it is lacking in structural and behavioral constructs. The author proposes a merger between UML and the Specification and Description Language (SDL) that would enhance UML's usefulness as a graphical programming language.</p> <p>SDL, a language that models the architecture and behavior of event-driven, distributed systems in real-time environments, originated as a specification language within the telecommunications industry approximately 20 years ago. Today, SDL is often used as a full blown programming language. Although UML is headed in a similar direction, combining the two languages provides a modeling paradigm for visual software engineering that is more robust and effective than either language alone.</p>
Morgan Björkander, "Graphical Programming Using UML and SDL", Computer, vol.33, no. 12, pp. 30-35, December 2000, doi:10.1109/2.889090
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