Kemeny-Young — Optimal rank aggregation minimising Kendall τ disagreement

KEMENY-YOUNG (Kemeny-Young — Optimal rank aggregation minimising Kendall τ disagreement) is a aggregationoperator multi-criteria decision-making (MCDM) method introduced by Kemeny, J. G. in 1959. It turns a decision matrix of alternatives scored on multiple criteria into a structured, reproducible result.