Modification of the label method for problems of multicriterial optimization

 
PIIS042473880008559-3-1
DOI10.31857/S042473880008559-3
Publication type Article
Status Published
Authors
Occupation: Senior Research Scholar
Affiliation: Central Economics and Mathematics Institute, Russian Academy of Sciences
Address: Moscow, Russian Federation
Occupation: undergraduate student
Affiliation: Moscow Power Engineering Institute
Address: Russian Federation
Journal nameEkonomika i matematicheskie metody
EditionVolume 56 Issue 1
Pages95-99
Abstract

The label method (Deikstra method) allows to find the shortest way between two vertices of a graph with given lengths of edges.  A modification of the method is proposed for the case when several characteristics are given for each edge, for example the time and the cost of the way. In multicriterial optimization problems different decision makers can choose different solutions, and as usually the preferences of decision maker are not formalized. So  it is necessary to construct a sufficiently large set of Pareto-optimal ways. Such problems can be solved by interacive procedures formalizing the decision maker’s preferences and forming Pareto-optimal solutions. One approach to constructing of such procedure is proposed in the paper. This approach is based on the search of the way having the minimal value of one of the given criteria and satisfactory values of the remaining chiteria. If the obtained way is not satisfactory for the decision maker he formulates new conditions for the values of the criteria. The effecivity of the proposed procedure will be examined by calculating experiments.

Keywordsgraph, label method, multicriterial optimization, Pareto-optimality
Received05.03.2020
Publication date20.03.2020
Number of characters8386
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