Derek O’Callaghan

An analysis of the coherence of descriptors in topic modeling

Derek O’Callaghan, Derek Greene, Joe Carthy et al. · Expert Systems with Applications · 2015 · 350 citations · Full text

Natural Language Processing, Engineering, Information Retrieval +15

Down the (White) Rabbit Hole: The Extreme Right and Online Recommender Systems

Derek O’Callaghan, Derek Greene, Maura Conway et al. · Social Science Computer Review · 2014 · 192 citations · Full text

Emerging Media, Communication, Media Studies +28

Online social media in the Syria conflict: Encompassing the extremes and the in-betweens

Derek O’Callaghan, Nico Prucha, Derek Greene et al. · 2014 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2014) · 2014 · 78 citations · Full text

Social Medium Monitoring, Emerging Media, Social Media Activity +25

Network Analysis of Recurring YouTube Spam Campaigns

Derek O’Callaghan, Martin Harrigan, Joe Carthy et al. · Proceedings of the International AAAI Conference on Web and Social Media · 2021 · 44 citations · Full text

Abuse Detection, Engineering, Network Analysis +19

Uncovering the wider structure of extreme right communities spanning popular online networks

Derek O’Callaghan, Derek Greene, Maura Conway et al. · 2013 · 30 citations

Extreme Right Groups, Engineering, Social Medium Monitoring +26