Contextual grammars and natural languages
Handbook of formal languages, vol. 2
Contextual grammars and formal languages
Handbook of formal languages, vol. 2
Marcus Contextual Grammars
Handbook of Formal Languages
On contextual grammars with subregular selection languages
DCFS'11 Proceedings of the 13th international conference on Descriptional complexity of formal systems
On external contextual grammars with subregular selection languages
Theoretical Computer Science
On internal contextual grammars with subregular selection languages
DCFS'12 Proceedings of the 14th international conference on Descriptional Complexity of Formal Systems
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We discuss external contextual grammars with choice where the choice language belongs to a family of subregular languages. We determine the hierarchy of language families of contextual languages which is obtained by the use of nilpotent, combinational, definite, regular suffix closed, and regular commutative languages as choice languages.