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Erschienen in:
2012 | OriginalPaper | Buchkapitel
Contextual Hyperedge Replacement
verfasst von : Frank Drewes, Berthold Hoffmann, Mark Minas
Erschienen in: Applications of Graph Transformations with Industrial Relevance
Verlag: Springer Berlin Heidelberg
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In model-driven design, the structure of software is commonly specified by meta-models like
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class diagrams. In this paper we study how graph grammars can be used for this purpose, using statecharts as an example. We extend context-free hyperedge-replacement—which is not powerful enough for this application—so that rules may not only access the nodes attached to the variable on their left-hand side, but also nodes elsewhere in the graph. Although the resulting notion of contextual hyperedge replacement preserves many properties of the context-free case, it has considerably more generative power—enough to specify software models that cannot be specified by class diagrams.