Derek O’Callaghan - Concepedia

Author

Derek O’Callaghan

University College Dublin ORCID

Also Known As

DEREK O'CALLAGHAN, Derek O'Callaghan, Derek O’Callaghan, O'Callaghan, Damian, O'Callaghan, Derek

Publications

Citations

H-Index

Concepts

All Affiliations

University College Dublin Dublin City University

About

Derek O’Callaghan is an author at University College Dublin specializing in content analysis, social media, and computational social science.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Engineering	6	6	471
2	Arts	5	5	331
3	Language Studies	3	3	410
4	Management	1	1	192
5	Social Sciences	1	1	78

Derek O’Callaghan

Publications

774

Citations

H-Index

Page 1

	Year	Citations
An analysis of the coherence of descriptors in topic modeling Derek O’Callaghan, Derek Greene, Joe Carthy, Expert Systems with Applications Natural Language ProcessingEngineeringInformation RetrievalData ScienceVector Space Model	2015	350
Down the (White) Rabbit Hole: The Extreme Right and Online Recommender Systems Derek O’Callaghan, Derek Greene, Maura Conway, Social Science Computer Review Emerging MediaCommunicationMedia StudiesJournalismCensorship	2014	192
Online social media in the Syria conflict: Encompassing the extremes and the in-betweens Derek O’Callaghan, Nico Prucha, Derek Greene, 2014 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2014) Social Medium MonitoringEmerging MediaSocial Media ActivityCommunication Social ChangePolitical Polarization	2014	78
Network Analysis of Recurring YouTube Spam Campaigns Derek O’Callaghan, Martin Harrigan, Joe Carthy, Proceedings of the International AAAI Conference on Web and Social Media Abuse DetectionEngineeringNetwork AnalysisIndicative Network MotifsText Mining	2021	44
Uncovering the wider structure of extreme right communities spanning popular online networks Derek O’Callaghan, Derek Greene, Maura Conway, Extreme Right GroupsEngineeringSocial Medium MonitoringOnline CommunitiesSocial Influence	2013	30
How Many Topics? Stability Analysis for Topic Models Derek Greene, Derek O’Callaghan, Pádraig Cunningham arXiv (Cornell University)	2014	22
Characterizing ego-networks using motifs Pádraig Cunningham, Martin Harrigan, Guangyu Wu, Network Science EngineeringNetwork Motif ProfilesNetwork AnalysisCommunicationSocial Network	2013	17
The Extreme Right Filter Bubble Derek O’Callaghan, Derek Greene, Maura Conway, arXiv (Cornell University) Extreme Right GroupsEngineeringSocial Medium MonitoringPopular VideoCommunication	2013	16
Identifying Topical Twitter Communities via User List Aggregation Derek Greene, Derek O’Callaghan, Pádraig Cunningham arXiv (Cornell University) EngineeringSocial Medium MonitoringCommunity MiningTopical Twitter CommunitiesCommunication	2012	14
Identifying Discriminating Network Motifs in YouTube Spam Derek O’Callaghan, Martin Harrigan, Joe Carthy, arXiv (Cornell University)	2012	11

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