Are you connected? Evaluating information cascades in online discussion about the #RaceTogether campaign
作者：
Highlights：
• There are five types of central users in a social network.
• The number of people a Twitter user follows is positively correlated with one's “in-degree” links.
• The number of followers a Twitter user has is positively correlated with one's “in-degree” links.
• The number of tweets a Twitter user generates is positively correlated with one's the “in-degree” links.
• One's “in-degree” links and “out-degree” links are positively correlated with one's “betweenness centrality” score.
摘要
•There are five types of central users in a social network.•The number of people a Twitter user follows is positively correlated with one's “in-degree” links.•The number of followers a Twitter user has is positively correlated with one's “in-degree” links.•The number of tweets a Twitter user generates is positively correlated with one's the “in-degree” links.•One's “in-degree” links and “out-degree” links are positively correlated with one's “betweenness centrality” score.
论文关键词：Twitter,Social network analysis,Path analysis,Betweenness centrality,In-degree,Out-degree,Online opinion leadership
论文评审过程：Received 21 April 2015, Revised 17 June 2015, Accepted 23 July 2015, Available online 10 August 2015, Version of Record 10 August 2015.
论文官网地址：https://doi.org/10.1016/j.chb.2015.07.052
