Abstract

A fractal/chaos analysis and discriminative power evaluation of knowledge bases are presented. They can be used by knowledge engineers to make knowledge acquisition activities more objective. The fractal analysis gives a numerical parameter fractal dimension. It describes certain relations between general and specific knowledge items for example between on-line measurements and general rules of thumbs. The discriminative power analysis is used to quantify one aspect of a knowledge base “quality.” Both formal tools are applicable regardless of types of knowledge bases. The article describes their fuzzy interpretations. A simple demonstrative example a set of 17 fuzzy statements and a realistic fractal recommendation fuzzy versus neural control algorithms are presented in detail.

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