Rewrite Closure and CF Hedge Automata

Florent Jacquemard; Michael Rusinowitch

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arXiv · 1212.5108

Rewrite Closure and CF Hedge Automata

Florent Jacquemard·Michael Rusinowitch

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Abstract

We introduce an extension of hedge automata called bidimensional context-free hedge automata. The class of unranked ordered tree languages they recognize is shown to be preserved by rewrite closure with inverse-monadic rules. We also extend the parameterized rewriting rules used for modeling the W3C XQuery Update Facility in previous works, by the possibility to insert a new parent node above a given node. We show that the rewrite closure of hedge automata languages with these extended rewriting systems are context-free hedge languages.

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Florent Jacquemard, Michael Rusinowitch. 2012-12-20. Rewrite Closure and CF Hedge Automata. https://arxiv.org/abs/1212.5108

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