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原文連結
論文資訊
- 類型：已發表論文
- 日期：2014-10-27
摘要
To investigate the dynamics of 社會 網絡s and the formation and 演化 of online communities in response to extreme events, we collected three datasets from Twitter shortly before and after the 2011 earthquake and tsunami in Japan. We find that while almost all users increased their online activity after the earthquake, Japanese speakers, who are assumed to be more directly affected by the event, expanded the 網絡 of people they interact with to a much higher degree than English speakers or the global average. By investigating the 演化 of communities, we find that the behavior of joining or quitting a community is far from random: users tend to stay in their current status and are less likely to join new communities from solitary or shift to other communities from their current community. While non-Ja
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