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Measuring consensus in a preference-approval context
DOI:10.1016/j.inffus.2012.02.004.png)
Abstract
En 中文
We consider measuring the degree of homogeneity for preference-approval profiles which include the approval information for the alternatives as well as the rankings of them. A distance-based approach is followed to measure the disagreement for any given two preference-approvals. Under the condition that a proper metric is used, we propose a measure of consensus which is robust to some extensions of the ordinal framework. This paper also shows that there exists a limit for increasing the homogeneity level in a group of individuals by simply replicating their preference-approvals. (C) 2012 Elsevier B.V. All rights reserved.
Keywords:
Consensus
Approval voting
Preference-approval
Kemeny metric
Hamming metric
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