Vague Environment Based Set Interpolation

The selection of the applied inference technique is determined primarily by the availability of the whole bulk of the rules necessary for the coverage i.e. dense character of the rule base. Having a sparse rule base (see fig. 1) in lack of the coverage in case of some observations (e.g. A, B) there are no rules whose antecedent part would overlap the observation at least partially. Therefore approximate techniques are needed for the calculation of the conclusion. Usually these techniques are based on Fuzzy Rule Interpolation (FRI).

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