Issue: 2009/Vol.19/No.4, Pages 7-26
GROUP JUDGMENT WITH TIES. A POSITION-BASED APPROACH
Cite as: H. Bury, D. Wagner. Group judgment with ties. A position-based approach. Operations Research and Decisions 2009: 19(4), 7-26.
A system for defining the positions taken by alternatives under preference orders proposed by Cook and Seiford is discussed. This makes it possible to apply some positional methods of group judgement to the case of ties in experts’ opinions, as well as in group judgements. Numerical examples are presented.
Keywords: tied alternatives in experts’ opinions, tied alternatives in group judgement, positional methods of making a group judgement