Algebraic approaches to program semantics
Algebraic approaches to program semantics
Regulated Rewriting in Formal Language Theory
Regulated Rewriting in Formal Language Theory
Compilers: Principles, Techniques, and Tools (2nd Edition)
Compilers: Principles, Techniques, and Tools (2nd Edition)
Syntactic pattern model classification with total fuzzy grammars
ICCOMP'08 Proceedings of the 12th WSEAS international conference on Computers
Natural language processing implementation on Romanian Chatbot
SMO'09 Proceedings of the 9th WSEAS international conference on Simulation, modelling and optimization
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In the particular case when a context free grammar is used as a model for a computation system, each nonterminal will be naturally associated to a meaning, i.e. a type, and every generation rule represents an operation in the computations system. Thus, the derivation tree (syntax tree) of this grammar yields a hierarchic structure of types as well as a hierarchic structure of system operations. Consequently, on each hierarchic level there exists a set of types and a set of operations, namely a language. Recursive specifications are a useful tool for representing and studying this kind of language hierarchies. As we show in this paper, the recursive specifications are a kind of constructor for these languages.