A formal semantics of UML-RT

  • Authors:
  • Michael von der Beeck

  • Affiliations:
  • BMW Group

  • Venue:
  • MoDELS'06 Proceedings of the 9th international conference on Model Driven Engineering Languages and Systems
  • Year:
  • 2006

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Abstract

The modeling language UML-RT, a dialect of the UML, supports the development of complex, hierarchical systems following a component-oriented approach. However, for a solid foundation of model analysis and model transformations a formal semantics definition of UML-RT is missing. Therefore, this paper presents a precise syntax and semantics definition of a sublanguage of UML-RT. This sublanguage puts an emphasis on the specification of complex, hierarchical state-based models. It considers atomic capsules – containing a statechart – and complex capsules that recursively consist of capsules communicating asynchronously with each other over connectors. Labeled transition systems are chosen as semantic domain, such that the UML-RT semantics can be defined in an SOS style a la Plotkin.