基于自適應(yīng)策略的網(wǎng)絡(luò)輿論演化
[Abstract]:The evolution of public opinion on social networks is a hot topic in the fields of information dissemination, complex systems, behavior analysis and so on. In order to solve the problem that the current research is often restricted by the fixed exchange of views and updated strategies of Internet users, it is difficult to restore the evolution process of real network public opinion. A model of network public opinion evolution based on adaptive strategy is proposed in this paper. Firstly, BA (Barab 謾 si and Albert) scale-free networks and WS (Watts and Strogatz) small-world networks are selected as network models. Then, combining the idea of Sznajd model and majority criterion model, two strategies of view updating are designed. Finally, in order to ensure that the view of Internet users occupies the advantage in the global network, an adaptive selection rule of view updating strategy is set up. The simulation results show that with the development of public opinion, the probability of Internet users choosing a fixed strategy approaches to 1; the number of netizens who choose the strategy of persuading neighbors is equal to the number of netizens who choose the strategy of majority opinion. This trend does not depend on the initial viewpoint distribution and network topology. In the process of public opinion evolution, netizens with node centrality greater than 100 have a fixed strategy to update their views, while those with center degree less than 10 often change their strategies dynamically. The simulation results show that the number of minority netizens in WS network and BA network will decrease with time, but the number of minority Internet users in WS network will decrease even more.
【作者單位】: 西華大學(xué)計(jì)算機(jī)與軟件學(xué)院;
【基金】:國(guó)家自然科學(xué)基金資助項(xiàng)目(61602389) 四川省教育廳科研項(xiàng)目(15ZB0133) 西華大學(xué)自然科學(xué)重點(diǎn)基金項(xiàng)目(z1422617);西華大學(xué)省部級(jí)學(xué)科平臺(tái)開(kāi)放課題(szjj2015-58) 互聯(lián)網(wǎng)自然語(yǔ)言智能處理四川省高等學(xué)校重點(diǎn)實(shí)驗(yàn)室資助項(xiàng)目(INLP201501)
【分類號(hào)】:O157.5
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