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Int. J. Environ. Res. Public Health 2017, 14(9), 1012; doi:10.3390/ijerph14091012

On Consistency Test Method of Expert Opinion in Ecological Security Assessment

Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, College of Economics and Management, Nanjing University of Information Science and Technology, Nanjing 210044, China
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Received: 16 August 2017 / Revised: 30 August 2017 / Accepted: 1 September 2017 / Published: 4 September 2017
(This article belongs to the Special Issue Decision Models in Green Growth and Sustainable Development)
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Abstract

To reflect the initiative design and initiative of human security management and safety warning, ecological safety assessment is of great value. In the comprehensive evaluation of regional ecological security with the participation of experts, the expert’s individual judgment level, ability and the consistency of the expert’s overall opinion will have a very important influence on the evaluation result. This paper studies the consistency measure and consensus measure based on the multiplicative and additive consistency property of fuzzy preference relation (FPR). We firstly propose the optimization methods to obtain the optimal multiplicative consistent and additively consistent FPRs of individual and group judgments, respectively. Then, we put forward a consistency measure by computing the distance between the original individual judgment and the optimal individual estimation, along with a consensus measure by computing the distance between the original collective judgment and the optimal collective estimation. In the end, we make a case study on ecological security for five cities. Result shows that the optimal FPRs are helpful in measuring the consistency degree of individual judgment and the consensus degree of collective judgment. View Full-Text
Keywords: ecological security; sustainable development; group decision making; fuzzy preference relation; consensus measure ecological security; sustainable development; group decision making; fuzzy preference relation; consensus measure
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Gong, Z.; Wang, L. On Consistency Test Method of Expert Opinion in Ecological Security Assessment. Int. J. Environ. Res. Public Health 2017, 14, 1012.

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