Linguistic modeling with hierarchical systems of weighted linguistic rules

Rafael Alcalá, Jose Ramón Cano, Oscar Cordón, Francisco Herrera, Pedro Villar, Igor Zwir

Research output: Contribution to journalArticle

25 Scopus citations


Recently, many different possibilities to extend the Linguistic Fuzzy Modeling have been considered in the specialized literature with the aim of introducing a trade-off between accuracy and interpretability. These approaches are not isolated and can be combined among them when they have complementary characteristics, such as the hierarchical linguistic rule learning and the weighted linguistic rule learning. In this paper, we propose the hybridization of both techniques to derive Hierarchical Systems of Weighted Linguistic Rules. To do so, an evolutionary optimization process jointly performing a rule selection and the rule weight derivation has been developed. The proposal has been tested with two real-world problems achieving good results.

Original languageEnglish
Pages (from-to)187-215
Number of pages29
JournalInternational Journal of Approximate Reasoning
Issue number2-3
StatePublished - Feb 1 2003
Externally publishedYes


  • Genetic algorithms
  • Hierarchical fuzzy systems
  • Linguistic Fuzzy Modeling
  • Weighted linguistic rules

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