Fuzzy sets, uncertainty, and information
Fuzzy sets, uncertainty, and information
Logic-algebraic method for knowledge-based relation systems
Selected papers from the 2nd workshop on International institute of general systems studies
Multistage Fuzzy Control: A Prescriptive Approach
Multistage Fuzzy Control: A Prescriptive Approach
Logic-Algebraic Method for a Class of Knowledge Based Systems
EUROCAST '97 Proceedings of the A Selection of Papers from the 6th International Workshop on Computer Aided Systems Theory
Uncertain Variables in the Computer Aided Analysis of Uncertain Systems
EUROCAST '99 Proceedings on Computer Aided Systems Theory
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The first purpose of this paper is to present shortly an idea of soft variables and evaluating functions as a tool for the unification and generalisation of decision making problems. The random variables, uncertain variables and fuzzy descriptions are considered here as special cases of the descriptions based on the soft variables. The second purpose of this paper is to present the results concerning the relations between the descriptive approach (decisions based on the knowledge of the plant) and the prescriptive approach (decisions based directly on the knowledge of the decision making). The main result presented here in a rough form is called the principle of equivalency.