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Tree Valence Controlled Grammars
2017
International Journal on Perceptive and Cognitive Computing
Beyond a shadow of a doubt, the studying of context-free grammars with restricted derivationtrees known as tree controlled grammars have achieved plentiful remarkable results within formallanguage theory as demonstrated in a number of publications on this subject for the past forty five years.In principle, these grammars generate their languages as an ordinary context-free grammar except theirderivation trees need to be satisfied by certain prescribed conditions. Our paper is a continuing of
doi:10.31436/ijpcc.v3i1.48
fatcat:ukm64cef2ndlbn5pxyxz6cbb34