The Model And Simulation Of Internet Public Opinion Dissemination Under Multi-agent Intervention

With the rapid development of Internet technology and the emergence of new media,the characteristics of the information age are becoming more and more obvious.Today,everyone is a spokesperson and everyone is a propagandist.Internet platform speech has become the focus of public attention.At the same time,due to the characteristics of fast dissemination speed,fast expression,wide-ranging influence,interactive methods and so on,it has formed a public opinion that cannot be ignored.Therefore,The dissemination of public opinion in cyberspace has become a major issue related to economic and social development and even national security,and it is the great responsibility of the government and the Internet media to “grasp the time,degree and effect of the guidance of internet public opinion,and make cyberspace clear”.In the media age,the spread of Internet public opinion has been intertwined with the intervention of many parties.Among them,the government and the Internet media have played two of the most important roles.The intervention of the Internet media and the guidance of the government have made the Internet public opinion dissemination model very different from the traditional model.This paper analyzes the internet public opinion evolutionary game of government and internet media multi-agent intervention,and then establishes a multi-agent intervention internet public opinion spreading model to carry out the research in order to provide countermeasures and suggestions for the government and internet media to control the internet public opinion diffusion.Firstly,the research background and significance of Internet public opinion dissemination are expounded,and the current research status at home and abroad is combed and briefly reviewed.The main research content and methods of the paper and the overall chapter arrangement are introduced;As well as the internet public opinion and evolution game related concepts,public opinion propagation model and public opinion intervention model are introduced in detail.Secondly,on the basis of the previous research,the internet public opinion evolutionary game model of multi-agent intervention is constructed,and the game income matrix between the government and the network is established,and the evolutionary game equilibrium point of the model is obtained through the Jacobian matrix.It is concluded that the government and internet media jointly intervene in the internet public opinion as the equilibrium state of the game.Thirdly,based on the evolutionary game results,a multi-agent intervention SHIsIoR internet public opinion spreading model is constructed,and express the impact of Internet media with the concept of Internet Media Enhanced Degree,Internet Divergence and Internet Permeability.in addition,the government intervention coefficient expresses the impact of the government.This paper analyzes the influence of the government and the network media intervention parameters on the internet public opinion dissemination.Finally,based on the case analysis of the "Sichuan Yibin Earthquake",a multi-agent intervention governance strategy for Internet public opinion dissemination is proposed.