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Statements

Subject Item
n2:RIV%2F00216305%3A26230%2F12%3APU98152%21RIV13-GA0-26230___
rdf:type
skos:Concept n10:Vysledek
rdfs:seeAlso
http://www.kybernetika.cz/content/2012/1/165
dcterms:description
First, this paper discusses tree-controlled grammars with root-to-leaf derivation-tree paths restricted by control languages. It demonstrates that if the control languages are regular, these grammars generate the family of context-free languages. Then, in a similar way, the paper introduces tree-controlled grammars with derivation-tree cuts restricted by control languages. It proves that if the cuts are restricted by regular languages, these grammars generate the family of recursively enumerable languages. In addition, it places a binary-relation-based restriction upon these grammars and demonstrate that this adi- tional restriction does not affect the generative power of these grammars. First, this paper discusses tree-controlled grammars with root-to-leaf derivation-tree paths restricted by control languages. It demonstrates that if the control languages are regular, these grammars generate the family of context-free languages. Then, in a similar way, the paper introduces tree-controlled grammars with derivation-tree cuts restricted by control languages. It proves that if the cuts are restricted by regular languages, these grammars generate the family of recursively enumerable languages. In addition, it places a binary-relation-based restriction upon these grammars and demonstrate that this adi- tional restriction does not affect the generative power of these grammars.
dcterms:title
Tree-controlled Grammars with Restrictions Placed upon Cuts and Paths Tree-controlled Grammars with Restrictions Placed upon Cuts and Paths
skos:prefLabel
Tree-controlled Grammars with Restrictions Placed upon Cuts and Paths Tree-controlled Grammars with Restrictions Placed upon Cuts and Paths
skos:notation
RIV/00216305:26230/12:PU98152!RIV13-GA0-26230___
n10:predkladatel
n11:orjk%3A26230
n3:aktivita
n18:Z n18:S n18:P
n3:aktivity
P(GD102/09/H042), P(MEB041003), S, Z(MSM0021630528)
n3:cisloPeriodika
1
n3:dodaniDat
n4:2013
n3:domaciTvurceVysledku
n6:5691931 n6:6513247
n3:druhVysledku
n20:J
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n8:predkladatel
n3:idSjednocenehoVysledku
175059
n3:idVysledku
RIV/00216305:26230/12:PU98152
n3:jazykVysledku
n21:eng
n3:klicovaSlova
context-free grammars, tree-controlled grammars, restricted derivation trees, paths, cuts, language families 
n3:klicoveSlovo
n14:language%20families%C2%A0 n14:paths n14:context-free%20grammars n14:tree-controlled%20grammars n14:cuts n14:restricted%20derivation%20trees
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[38FE8D9F02A3]
n3:nazevZdroje
Kybernetika
n3:obor
n9:IN
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n5:GD102%2F09%2FH042 n5:MEB041003
n3:rokUplatneniVysledku
n4:2012
n3:svazekPeriodika
48
n3:tvurceVysledku
Meduna, Alexandr Koutný, Jiří
n3:zamer
n13:MSM0021630528
s:issn
0023-5954
s:numberOfPages
11
n19:organizacniJednotka
26230