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收稿日期 :2013-04-18 修回日期 :2013-05-24 基金项目 : 教育部人文社会科学研究项目 网络集体行动的产生机制 : 意义建构与共识达成 冶( 编号 : 12YJA840001 ); 国家社会科学基金重大项 中国特色虚拟社会管理模式研究 -- 基于网络关系结构的多主体协同治理方案及其法律支撑 冶( 编号 : 12&ZD083 ) 阶段性成果之一 作者简介 : (1986-), , 博士研究生 , 研究方向 : 网络舆情和网络社会治理 ; 何明升 (1956-), , 教授 , 博士生导师 , 研究方向 : 网络社会 治理 社会管理与政策分析以及司法社会工作研究 ; 白淑英 (1971-), , 教授 , 研究方向 : 网络社学会 社会管理 ; (1987-), , 硕士研 究生 , 研究方向 : 网络社会学 Weisbuch - Deffuant 模型的 网络舆论演化模式研究 * 1 何明升 2 白淑英 3 2 (1. 哈尔滨工业大学管理学院 哈尔滨 150001;2. 华东政法大学社会发展学院 上海 201620; 3. 哈尔滨工业大学人文学院 哈尔滨 150001) 网络舆论是当前社会管理面临的一项重要内容 借鉴 Weisbuch-Deffuant 模型粒子交互的建模思想 , 结合 网络舆论生成的特殊性以及个体观点接受度的异质性确立了网络舆论演化规则 ; 然后通过仿真实验分别考察了个 体观点接受度 的分布状况 信任阈值 以及意见领袖对网络舆论演化过程的影响 实验结果表明 , 相比于 随机 分布的情况 , 服从均值为 0. 5 的正态分布时 , 网络舆论会以更快的速度收敛 ; 信任阈值与网络舆论演化过程最终 形成的观点簇的数量成反比 ; 意见领袖的存在 , 尤其是意见领袖的初始观点具有明显的偏向性时 , 会影响甚至决定 网络舆论极化现象的产生 关键词 Weisbuch-Deffuant 模型 网络舆论演化 个体观点接受度 信任阈值 意见领袖 中图分类号 C931. 6 文献标识码 A 文章编号 1002-1965 ( 2013 ) 07-0043-06 On the Dynamics of Network Public Opinion : A Research Based on Weisbuch - Deffuant Model Zhang Wei 1 He Mingsheng 2 Bai Shuying 3 Jin Rui 2 ( 1 . School of Management , Harbin Institute of Technology , Harbin 150001 ; 2 . School of Social Development , East China University of Political Science and Law , Shanghai 201620 ; 3 . School of Humanities and Social Sciences , Harbin Institute of Technology , Harbin 150001 ) Abstract Gaining an in - depth knowledge on the dynamics of network public opinions ( NPO ) is becoming a more important element of current social management. Taking account of the forming field of NPO and the heterogeneity of agents , the study builds the dynamics rules of NPO by modifying Weisbuch - Deffuant model. Then the paper discusses the influence of the distribution of which is used to de鄄 note one ' acceptance of others ' individual perspectives , the bounded confidence , and opinion leaders on the evolution process of NPO by a series of simulation experiments. The results show that , compared to the situation of following random distribution , NPO will con鄄
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