%0 Journal Article %A WEI Xiao-chao %A FAN Yu-yao %T Public Sentiment Diffusion in Online Social Networks Combining Overconfidence with Agent-based Model %D 2020 %R 10.19722/j.cnki.1008-7729.2019.0416 %J Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition) %P 1-8 %V 22 %N 4 %X Based on the overconfidence and evolutionary game, the multi-agent simulation model is constructed to study the public sentiment diffusion rules of online social networks The online social network public sentiment diffusion model is constructed from the perspective of evolutionary game; combined with the theory of overconfidence, three overconfident scenarios are designed: benefit overconfidence, cost overconfidence, and dual overconfidence of cost and benefit Then historical information learning rules of their own and neighbor is designed to achieve multi-agent simulation of public sentiment diffusion under different overconfident scenarios The results show: 1) The stronger the benefit overconfidence is, the faster the convergence speed of public sentiment diffusion is, and the faster the user group reaches a stable state 2) Increasing the cost overconfidence will result in the reduction of adoption proportion, and transformation of group strategy from adoption dominance to tit for tat 3) Compared with benefit overconfidence, cost overconfidence is more conducive to improving the stability of public sentiment diffusion This research attempts to propose an integration framework for behavioral theory and simulation methods in order to provide new ideas for public sentiment diffusion research of online social networks
%U https://journalsk.bupt.edu.cn/EN/10.19722/j.cnki.1008-7729.2019.0416