微博信息扩散的空间分析
发布时间：2018-11-15 18:25
【摘要】：为揭示信息扩散的空间特征,利用新浪微博数据,研究了中国地级市间的微博信息扩散,并利用重力模型,研究了影响城际信息扩散的因素。研究表明,少数一二线城市呈现信息寡占型,主导微博内容的输出和扩散。对城际信息交互模型的分析发现,用户数在很大程度上影响了城际信息扩散,城市总GDP也可预测城际信息交互,空间距离则不再发挥作用,微博中的信息扩散打破了物理距离的限制。该研究揭示了线上社交网络与线下物理空间的映射关系以及社交媒体中信息的城际扩散特征,可为空间位置相关的信息发布和网络舆情监控提供借鉴。
[Abstract]:In order to reveal the spatial characteristics of information diffusion, the information diffusion between prefecture-level cities in China was studied by using the data of Weibo of Sina, and the factors influencing the diffusion of information between cities were studied by using gravity model. The study shows that a few first and second-tier cities are information oligopoly, leading Weibo's content output and diffusion. The analysis of inter-city information interaction model shows that the number of users affects the inter-city information diffusion to a great extent, the total city GDP can also predict the inter-city information interaction, and the spatial distance does not play a role. Weibo's information diffusion broke the limit of physical distance. This study reveals the mapping relationship between online social network and offline physical space and the intercity diffusion of information in social media, which can be used as a reference for spatial location related information release and network public opinion monitoring.
【作者单位】： 华东理工大学管理科学与工程系;
【基金】：国家自然科学基金(61473119) 中央高校基本科研业务费专项资金(WN1524301)
【分类号】：G206;TP393.092
[Abstract]:In order to reveal the spatial characteristics of information diffusion, the information diffusion between prefecture-level cities in China was studied by using the data of Weibo of Sina, and the factors influencing the diffusion of information between cities were studied by using gravity model. The study shows that a few first and second-tier cities are information oligopoly, leading Weibo's content output and diffusion. The analysis of inter-city information interaction model shows that the number of users affects the inter-city information diffusion to a great extent, the total city GDP can also predict the inter-city information interaction, and the spatial distance does not play a role. Weibo's information diffusion broke the limit of physical distance. This study reveals the mapping relationship between online social network and offline physical space and the intercity diffusion of information in social media, which can be used as a reference for spatial location related information release and network public opinion monitoring.
【作者单位】： 华东理工大学管理科学与工程系;
【基金】：国家自然科学基金(61473119) 中央高校基本科研业务费专项资金(WN1524301)
【分类号】：G206;TP393.092
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