Author Archives: Derek O'Callaghan

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Derek O'Callaghan is a Ph.D. student at the School of Computer Science and Informatics, University College Dublin. His current research is a collaboration between 2CENTRE (Cybercrime Centres of Excellence Network) and the Clique Research Cluster, focusing on social media analytics, community finding and text mining, in the analysis of online extremist activity.

Uncovering the Wider Structure of Extreme Right Communities Spanning Popular Online Networks

Derek O’Callaghan, Derek Greene, Maura Conway, Joe Carthy, Padraig Cunningham Given Twitter’s facility for the dissemination of content, we investigated its potential to act as one possible gateway to the wider online extreme right milieu, which spans multiple platforms such as Twitter, Facebook and YouTube in addition to other websites and blogs, etc. Our analysis focused on […]

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