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Researcher · University College Dublin · Ireland

Derek O’Callaghan

Derek O’Callaghan publishes mostly in Artificial Intelligence, Communication and Aerospace Engineering, on topics such as Hate Speech and Cyberbullying Detection, Social Media and Politics and Complex Network Analysis Techniques.

ORCID 0000-0003-0585-8631 OpenAlex
World rank
#1,211,984
of 7,710,434 ranked researchers
Rank in Ireland
#4,144
of 21,376
Works
36
Citations
1.1k
Citations per work
31.2
h-index
12
i10-index 13Top 32% in Artificial Intelligence
Derek O’Callaghan

What does Derek O’Callaghan research?

Derek O’Callaghan's work is mostly in Computer Science (26%), Social Sciences (22%), Physics and Astronomy (21%).

Physical Sciences: 21 works · 58.5% of their workComputer Science: 9 works · 25.7% of their workArtificial Intelligence: 9 works · 25.7% of their workPhysics and Astronomy: 8 works · 21.4% of their workStatistical and Nonlinear Physics: 4 works · 11.4% of their workAstronomy and Astrophysics: 4 works · 10.0% of their workEngineering: 4 works · 11.4% of their workAerospace Engineering: 4 works · 11.4% of their workSocial Sciences: 8 works · 21.5% of their workSocial Sciences: 8 works · 21.5% of their workCommunication: 5 works · 12.9% of their workSociology and Political Science: 3 works · 8.6% of their workEverything else: 7 works · 20.0% of their workTHEIR WORKDerek O’Callaghan36works
Physical Sciences58%Social Sciences22%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Computer Science925.7%
    2. Physics and Astronomy821.4%
    3. Engineering411.4%
    1. Social Sciences821.5%
  3. Everything else720.0%
  1. 1Artificial Intelligence26% of their works
  2. 2Communication13% of their works
  3. 3Aerospace Engineering11% of their works
  4. 4Statistical and Nonlinear Physics11% of their works
  5. 5Astronomy and Astrophysics10% of their works
  6. 6Sociology and Political Science9% of their works

Research topics

Which keywords describe Derek O’Callaghan's research?

The keywords of their largest research topics: Social Media, Detection, Hate Speech, Digital Divide, Political Participation, Network Dynamics, Social Influence and Community Structure.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 19 words, with their numbers
  1. Social Media182 topics
  2. Detection101 topic
  3. Hate Speech101 topic
  4. Digital Divide81 topic
  5. Political Participation81 topic
  6. Network Dynamics72 topics
  7. Social Influence72 topics
  8. Community Structure41 topic
  9. Scale-Free Networks41 topic
  10. Bounded Confidence31 topic
  11. Cryogenic Storage31 topic
  12. CubeSat31 topic
  13. Liquefied Natural Gas (LNG)31 topic
  14. Neural Networks31 topic
  15. Opinion Dynamics31 topic
  16. Radicalization31 topic
  17. Terrorism31 topic
  18. Word Representation31 topic
  19. small satellite31 topic

Where does Derek O’Callaghan work?

Derek O’Callaghan's main affiliation in the publication record is University College Dublin, Ireland.

How many publications and citations does Derek O’Callaghan have?

OpenAlex counts 36 works and 1,122 citations for Derek O’Callaghan, an h-index of 12, ranking #1,211,984 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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