Abstract

The Specification and Description Language (SDL) is a domain specific language that is well-established in the telecommunication sector since many years, but only a small set of SDL tools is available. In contrast, for the Unified Modeling Language (UML) a wide range of different kinds of tools can be used for various purposes, such as model transformation. In order to makes it possible to specify SDL compliant models with UML, a profile for the combined use of SDL and UML was standardized. This profile also embraces a textual notation for the action language of SDL-UML, which is a subset of the concrete syntax of SDL. Unfortunately, a formal specification of that textual notation is not specified. In order to remedy this gap, in this paper, a model-based approach for the formalization of the textual notation for SDL-UML is presented.

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