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Article

An Optimization-Based Approach to Social Network Group Decision Making with an Application to Earthquake Shelter-Site Selection

1
Business School, Hohai University, Nanjing 211100, China
2
Business School, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610065, China
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2019, 16(15), 2740; https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph16152740
Received: 26 June 2019 / Revised: 23 July 2019 / Accepted: 29 July 2019 / Published: 31 July 2019
(This article belongs to the Special Issue Advances in Hazard, Risk and Disaster Management)
The social network has emerged as an essential component in group decision making (GDM) problems. Thus, this paper investigates the social network GDM (SNGDM) problem and assumes that decision makers offer their preferences utilizing additive preference relations (also called fuzzy preference relations). An optimization-based approach is devised to generate the weights of decision makers by combining two reliable resources: in-degree centrality indexes and consistency indexes. Based on the obtained weights of decision makers, the individual additive preference relations are aggregated into a collective additive preference relation. Further, the alternatives are ranked from best to worst according to the obtained collective additive preference relation. Moreover, earthquakes have occurred frequently around the world in recent years, causing great loss of life and property. Earthquake shelters offer safety, security, climate protection, and resistance to disease and ill health and are thus vital for disaster-affected people. Selection of a suitable site for locating shelters from potential alternatives is of critical importance, which can be seen as a GDM problem. When selecting a suitable earthquake shelter-site, the social trust relationships among disaster management experts should not be ignored. To this end, the proposed SNGDM model is applied to evaluate and select earthquake shelter-sites to show its effectiveness. In summary, this paper constructs a novel GDM framework by taking the social trust relationship into account, which can provide a scientific basis for public emergency management in the major disasters field. View Full-Text
Keywords: social network; group decision making; additive preference relations; consistency; earthquake shelter-site selection social network; group decision making; additive preference relations; consistency; earthquake shelter-site selection
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MDPI and ACS Style

Zhang, H.; Wang, F.; Tang, H.; Dong, Y. An Optimization-Based Approach to Social Network Group Decision Making with an Application to Earthquake Shelter-Site Selection. Int. J. Environ. Res. Public Health 2019, 16, 2740. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph16152740

AMA Style

Zhang H, Wang F, Tang H, Dong Y. An Optimization-Based Approach to Social Network Group Decision Making with an Application to Earthquake Shelter-Site Selection. International Journal of Environmental Research and Public Health. 2019; 16(15):2740. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph16152740

Chicago/Turabian Style

Zhang, Hengjie, Fang Wang, Huali Tang, and Yucheng Dong. 2019. "An Optimization-Based Approach to Social Network Group Decision Making with an Application to Earthquake Shelter-Site Selection" International Journal of Environmental Research and Public Health 16, no. 15: 2740. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph16152740

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