Iterative method for improving consistency of multi-attribute object judgments performed by teams of decision makers

Authors:
Henryk Piech;Urszula Bednarska
Affiliations:
Institute of Comp. &, Information Sci., Czestochowa University of Technology, Czestochowa, Poland;Institute of Comp. &, Information Sci., Czestochowa University of Technology, Czestochowa, Poland
Venue:
KES-AMSTA'10 Proceedings of the 4th KES international conference on Agent and multi-agent systems: technologies and applications, Part II
Year:
2010

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Abstract

Groups of decision makers form judgments of given objects, using sets of inconsistent data. This issue was described in many papers and the practical usage was presented by Saaty in his method of relative judgments. Typically only some attributes are chosen for judging. Judgments are relative, usually scaled or normalized. In this paper we try to aggregate the given judgments and make them consistent. We allocate a single elements of the Saaty's matrix (vectors or rows) for each decision maker. We need to remember that consistency of group decision making can be achieved in many ways and that it concerns different structural level of judgments.