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Online forums are ideal platforms for worldwide Internet users to share ideas, raise discussions and disseminate information. It is of great interest to gain a better understanding on the dynamic of user interactions and identify user communities in online forums. In this paper, we propose a temporal coherence analysis approach to detect user communities in online forum. Users are represented by vectors...
Extremists are actively utilizing social media as propaganda to promote their ideologies. Online forums are ideal platforms to draw attention from worldwide Internet users to the timely issues and some opinions in these discussions can be threatening the public safety. It is of great interest for the intelligence to identify clusters on these forums and capture the topics of discussions and their...
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