Christiansen Grammar Evolution: Grammatical Evolution With Semantics

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  author =       "Alfonso Ortega and Marina {de la Cruz} and 
                 Manuel Alfonseca",
  title =        "Christiansen Grammar Evolution: Grammatical Evolution
                 With Semantics",
  journal =      "IEEE Transactions on Evolutionary Computation",
  year =         "2007",
  month =        feb,
  volume =       "11",
  number =       "1",
  pages =        "77--90",
  keywords =     "genetic algorithms, genetic programming, grammatical
                 evolution, context-free grammars, evolutionary
                 computation, formal languages, programming language
                 semantics, Christiansen grammar evolution, context-free
                 grammars, evolutionary automatic programming algorithm,
                 formal language, semantics",
  URL =          "",
  DOI =          "doi:10.1109/TEVC.2006.880327",
  ISSN =         "1089-778X",
  size =         "14 pages",
  abstract =     "This paper describes Christiansen grammar evolution
                 (CGE), a new evolutionary automatic programming
                 algorithm that extends standard grammar evolution (GE)
                 by replacing context-free grammars by Christiansen
                 grammars. GE only takes into account syntactic
                 restrictions to generate valid individuals. CGE adds
                 semantics to ensure that both semantically and
                 syntactically valid individuals are generated. It is
                 empirically shown that our approach improves GE
                 performance and even allows the solution of some
                 problems are difficult to tackle by GE",
  notes =        "Uses GE but non-BNF grammar, instead grammar is
                 dynamic. Claims only syntactic and _semantically_
                 correct programs are generated. Backtracking. Position
                 independence. Cites \cite{oneill:2004:gew:mone}.

                 Also known as \cite{4079617}",

Genetic Programming entries for Alfonso Ortega de la Puente Marina de la Cruz Echeandia Manuel Alfonseca