Tyumen State University Herald. Physical and Mathematical Modeling. Oil, Gas, Energy


Release:

Releases Archive. Вестник ТюмГУ. Физико-математические науки. Информатика (№7, 2013)

Title: 
Simulation model for the multistep process of the compromise decisionmaking


About the authors:

Alexander A. Zakharov, Dr. Sci (Tech.), Professor, Secure Smart City Information Technologies Department, University of Tyumen; a.a.zakharov@utmn.ru

Irina G. Zaharova, Cand. Sci. (Phys.-Math.), Professor, Department of Software, University of Tyumen; i.g.zakharova@utmn.ru

Abstract:

This article describes an approach to the construction of a stochastic model of the compromise decision formation basing on a given set of initial proposals. The specifics of the decision process are determined by some initial conditions and the criteria of transition from one stage to another, including the final stage of decision making. The algorithm for generating decisions includes an initial ranking of initial proposals characteristics, a special rule for determining the measure of proximity proposals, a test of proposals’ compatibility taking into account the specific characteristics of the subject area and the proposals themselves, and a probability matrix which describes the compatibility of initial proposals. Next, we construct a plurality of intermediate proposals that use random combinations of all original proposals and a selected method, which determines the values of random characteristics of interim proposals. A utility function is used for the selection of significant proposals. The process is repeated until a compromise decision is reached. Computer implementation of the model is tested on the example of coalition governments formation with and without consideration of coalition parties’ compatibility.

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