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Context-Free Tree Grammars are as Powerful as Context-Free Jungle Grammars
Umeå University, Faculty of Science and Technology, Department of Computing Science. (Natural and Formal Languages)
Leiden Institute of Advanced Computer Science.
2015 (English)In: Acta Cybernetica, ISSN 0324-721X, , 78 p.Article in journal (Refereed) Accepted
Abstract [en]

Jungles generalize trees by sharing subtrees and allowing garbage. It is shown that IO context-free tree grammars generate the same jungle languages as context-free jungle grammars. Also, they define the same subsets of any algebra. 

Place, publisher, year, edition, pages
2015. , 78 p.
National Category
Computer Science
Research subject
Computer Science
URN: urn:nbn:se:umu:diva-108363OAI: diva2:852636
Available from: 2015-09-09 Created: 2015-09-09 Last updated: 2015-09-09

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Drewes, Frank
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