Hyperedge Substitution in Basic Atom-Replacement Languages

  • Authors:
  • Renate Klempien-Hinrichs

  • Affiliations:
  • -

  • Venue:
  • ICGT '02 Proceedings of the First International Conference on Graph Transformation
  • Year:
  • 2002

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Abstract

We introduce basic atom replacement in hypergraphs, which allows us to combine node-rewriting steps and hyperedge-rewriting steps within one type of grammar. The generated languages are closed under hyperedge substitution, thereby providing a structured way to build complex hypergraph languages from simple ones. In particular, there are basic atom-replacement languages which cannot be generated by any type of context-free hypergraph grammar.