Researching the Efficiency of Configurations of a Collective Decision-making System on the Basis of Fuzzy Logic Topics: Fuzzy Control; Fuzzy Decision Analysis, Multi-Criteria Decision Making and Decision Support; Fuzzy Information Processing; Fuzzy Methods in Data Analysis; Fuzzy Methods in Knowledge Discovery In Proceedings of the 12th International Joint Conference on Computational Intelligence - Volume 1: FCTA, 277-285, 2020