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Contagion on complex networks with persuasion
The threshold model has been widely adopted as a classic model for studying contagion processes on social networks. We consider asymmetric individual interactions in social networks and introduce a persuasion mechanism into the threshold model. Specifically, we study a combination of adoption and pe...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group
2016
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4815014/ https://www.ncbi.nlm.nih.gov/pubmed/27029498 http://dx.doi.org/10.1038/srep23766 |
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author | Huang, Wei-Min Zhang, Li-Jie Xu, Xin-Jian Fu, Xinchu |
author_facet | Huang, Wei-Min Zhang, Li-Jie Xu, Xin-Jian Fu, Xinchu |
author_sort | Huang, Wei-Min |
collection | PubMed |
description | The threshold model has been widely adopted as a classic model for studying contagion processes on social networks. We consider asymmetric individual interactions in social networks and introduce a persuasion mechanism into the threshold model. Specifically, we study a combination of adoption and persuasion in cascading processes on complex networks. It is found that with the introduction of the persuasion mechanism, the system may become more vulnerable to global cascades, and the effects of persuasion tend to be more significant in heterogeneous networks than those in homogeneous networks: a comparison between heterogeneous and homogeneous networks shows that under weak persuasion, heterogeneous networks tend to be more robust against random shocks than homogeneous networks; whereas under strong persuasion, homogeneous networks are more stable. Finally, we study the effects of adoption and persuasion threshold heterogeneity on systemic stability. Though both heterogeneities give rise to global cascades, the adoption heterogeneity has an overwhelmingly stronger impact than the persuasion heterogeneity when the network connectivity is sufficiently dense. |
format | Online Article Text |
id | pubmed-4815014 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2016 |
publisher | Nature Publishing Group |
record_format | MEDLINE/PubMed |
spelling | pubmed-48150142016-04-04 Contagion on complex networks with persuasion Huang, Wei-Min Zhang, Li-Jie Xu, Xin-Jian Fu, Xinchu Sci Rep Article The threshold model has been widely adopted as a classic model for studying contagion processes on social networks. We consider asymmetric individual interactions in social networks and introduce a persuasion mechanism into the threshold model. Specifically, we study a combination of adoption and persuasion in cascading processes on complex networks. It is found that with the introduction of the persuasion mechanism, the system may become more vulnerable to global cascades, and the effects of persuasion tend to be more significant in heterogeneous networks than those in homogeneous networks: a comparison between heterogeneous and homogeneous networks shows that under weak persuasion, heterogeneous networks tend to be more robust against random shocks than homogeneous networks; whereas under strong persuasion, homogeneous networks are more stable. Finally, we study the effects of adoption and persuasion threshold heterogeneity on systemic stability. Though both heterogeneities give rise to global cascades, the adoption heterogeneity has an overwhelmingly stronger impact than the persuasion heterogeneity when the network connectivity is sufficiently dense. Nature Publishing Group 2016-03-31 /pmc/articles/PMC4815014/ /pubmed/27029498 http://dx.doi.org/10.1038/srep23766 Text en Copyright © 2016, Macmillan Publishers Limited http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ |
spellingShingle | Article Huang, Wei-Min Zhang, Li-Jie Xu, Xin-Jian Fu, Xinchu Contagion on complex networks with persuasion |
title | Contagion on complex networks with persuasion |
title_full | Contagion on complex networks with persuasion |
title_fullStr | Contagion on complex networks with persuasion |
title_full_unstemmed | Contagion on complex networks with persuasion |
title_short | Contagion on complex networks with persuasion |
title_sort | contagion on complex networks with persuasion |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4815014/ https://www.ncbi.nlm.nih.gov/pubmed/27029498 http://dx.doi.org/10.1038/srep23766 |
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