# Learning Substitutable Binary Plane Graph Grammars

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Rémi Eyraud,
Jean-Christophe Janodet,
Tim Oates
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Proceedings of the Eleventh International Conference on Grammatical Inference, PMLR 21:114-128, 2012.

#### Abstract

While some heuristics exist for the learning of graph grammars, few has been done on the theoretical side. Due to complexity issues, the class of graphs has to be restricted: this paper deals with the subclass of plane graphs, which correspond to drawings of planar graphs. This allows us to introduce a new kind of graph grammars, using a face-replacement mechanism. To learn them, we extend recent successful techniques developed for string grammars, and based on a property on target languages: the substitutability property. We show how this property can be extended to plane graph languages and finally state the first identification in the limit result for a class of graph grammars, as far as we know.

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