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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, Vol. 22, no 2, 78 p.373-392 p.Article in journal (Refereed) Published
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. Vol. 22, no 2, 78 p.373-392 p.
Keyword [en]
context-free tree grammar, jungle, delegation network
National Category
Computer Science
Research subject
Computer Science
Identifiers
URN: urn:nbn:se:umu:diva-108363DOI: 10.14232/actacyb.22.2.2015.9ISI: 000383724900009OAI: oai:DiVA.org:umu-108363DiVA: diva2:852636
Available from: 2015-09-09 Created: 2015-09-09 Last updated: 2017-12-04Bibliographically approved

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Drewes, Frank

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