Petrovsky, Alexey B.Godlevsky, MikhailMayr, Heinrich C.2020-01-072020-01-07200113-88579-331-8https://dl.gi.de/handle/20.500.12116/30737This paper considers the techniques for selecting a collection of projects which are estimated by several experts with many qualitative criteria and sorted beforehand into some classes by diverse individual sorting rules. These tools are based on the theory of multiset metric spaces and allow to generate classes of such objects and define a general classification rule which approximates the set of contradictory sorting rules.enText/Conference Paper1617-5468