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A New Network Feature Affects the Intervention Performance on Public Opinion Dynamic Networks
Wang, Caiyun1,2; Han, Huawei1; Han, Jing1,2
2019-03-25
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume9Pages:11
AbstractThe neighborhood network structure plays an important role in the collective opinion of an opinion dynamic system. Does it also affect the intervention performance? To answer this question, we apply three intervention methods on an opinion dynamic model, the weighted DeGroot model, to change the convergent opinion value (x) over bar. And we define a new network feature Omega, called 'network differential degree', to measure how node degrees couple with influential values in the network, i.e., large Omega indicates nodes with high degree is more likely to couple with large influential value. We investigate the relationship between the intervention performance and the network differential degree Omega in the following three intervention cases: (1) add one special agent (shill) to connect to one normal agent; (2) add one edge between two normal agents; (3) add a number of edges among agents. Through simulations we find significant correlation between the intervention performance, i.e.,vertical bar(x) over bar*vertical bar (the maximum value of the change of convergent opinion value vertical bar(x) over bar vertical bar and Omega in all three cases: the intervention performance vertical bar( x) over bar*vertical bar is higher when Omega is smaller. So Omega could be used to predict how difficult it is to intervene and change the convergent opinion value of the weighted DeGroot model. Meanwhile, a theorem of adding one edge and an algorithm for adding optimal edges are given.
DOI10.1038/s41598-019-41555-w
Language英语
Funding ProjectNational Natural Science Foundation of China[61374168] ; Frontier Science Key Programs of the Chinese Academy of Sciences[QYZDJ-SSW-JSC003]
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000462149800044
PublisherNATURE PUBLISHING GROUP
Citation statistics
Document Type期刊论文
Identifierhttp://ir.amss.ac.cn/handle/2S8OKBNM/34310
Collection系统科学研究所
Corresponding AuthorHan, Jing
Affiliation1.Chinese Acad Sci, Acad Math & Syst Sci, Inst Syst Sci, Key Lab Syst & Control, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Math Sci, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Wang, Caiyun,Han, Huawei,Han, Jing. A New Network Feature Affects the Intervention Performance on Public Opinion Dynamic Networks[J]. SCIENTIFIC REPORTS,2019,9:11.
APA Wang, Caiyun,Han, Huawei,&Han, Jing.(2019).A New Network Feature Affects the Intervention Performance on Public Opinion Dynamic Networks.SCIENTIFIC REPORTS,9,11.
MLA Wang, Caiyun,et al."A New Network Feature Affects the Intervention Performance on Public Opinion Dynamic Networks".SCIENTIFIC REPORTS 9(2019):11.
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