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This book deals with expert evaluation models in the form of semantic spaces with completeness and orthogonality properties. The authors describe methods for constructing, analyzing and comparing models, and offer examples drawn from a variety of fields.

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Chapter 1. The basic concepts of the fuzzy sets theory.- Methods of expert information formalization based on complete orthogonal semantic
spaces.- Methods of comparative and fuzzy cluster analysis of formalized information.- Model-building methods of the generalized characteristic expert evaluation models.- Ratings of objects.- Complete orthogonal semantic spaces in problems of the fuzzy regression analysis.

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