博客圈作为一种易激动的社会媒介:媒体报道中的里希特定律和大森定律
The blogosphere as an excitable social medium: Richter's and Omori's Law in media coverage
摘要:
我们通过监测在线博客的内容来研究公众媒体关注的动态。社交和媒体事件可以通过相关关键词的词频传播来追踪。媒体事件被分类为外源性的-博客活动是由外部新闻项目触发-或内源性的词频率建立在博客社区没有外部影响。我们发现,字的出现显示统计相似性地震。媒体事件的规模分布遵循古登堡-里克特定律,媒体事件前后的媒体关注动态遵循大森定律。我们提出了进一步的经验证据,表明对于内生起源的媒体事件,公众对事件的整体接受与事件开始时的词频行为相关,并且在一定程度上是可预测的。这些结果可能意味着,在人类社会的意见形成过程可能与兴奋性媒体的影响。
英文摘要:
We study the dynamics of public media attention by monitoring the content of online blogs. Social and media events can be traced by the propagation of word frequencies of related keywords. Media events are classified as exogenous - where blogging activity is triggered by an external news item - or endogenous where word frequencies build up within a blogging community without external influences. We show that word occurrences show statistical similarities to earthquakes. The size distribution of media events follows a Gutenberg-Richter law, the dynamics of media attention before and after the media event follows Omori's law. We present further empirical evidence that for media events of endogenous origin the overall public reception of the event is correlated with the behavior of word frequencies at the beginning of the event, and is to a certain degree predictable. These results may imply that the process of opinion formation in a human society might be related to effects known from excitable media.
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