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Researcher · Trinity College Dublin · Ireland

David O'Callaghan

David O'Callaghan publishes mostly in Computer Networks and Communications, Information Systems and Management and Hardware and Architecture, on topics such as Distributed and Parallel Computing Systems, Scientific Computing and Data Management and Parallel Computing and Optimization Techniques.

OpenAlex
World rank
#5,753,051
of 7,710,434 ranked researchers
Rank in Ireland
#18,678
of 21,376
Works
21
Citations
100
Citations per work
4.8
h-index
5
i10-index 3Top 85% in Computer Networks and Communications
David O'Callaghan

What does David O'Callaghan research?

David O'Callaghan's work is mostly in Computer Science (73%), Decision Sciences (17%), Economics, Econometrics and Finance (4%).

Physical Sciences: 15 works · 72.9% of their workComputer Science: 15 works · 72.9% of their workComputer Networks and Communications: 10 works · 45.8% of their workHardware and Architecture: 2 works · 10.4% of their workInformation Systems: 2 works · 10.4% of their workArtificial Intelligence: 1 works · 6.3% of their workSocial Sciences: 4 works · 20.9% of their workDecision Sciences: 4 works · 16.7% of their workInformation Systems and Management: 4 works · 16.7% of their workEconomics, Econometrics and Finance: 1 works · 4.2% of their workEconomics and Econometrics: 1 works · 4.2% of their workEverything else: 1 works · 6.2% of their workTHEIR WORKDavid O'Callaghan21works
Physical Sciences73%Social Sciences21%

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 Science1572.9%
    1. Decision Sciences416.7%
    2. Economics, Econometrics and Finance14.2%
  3. Everything else16.2%
  1. 1Computer Networks and Communications46% of their works
  2. 2Information Systems and Management17% of their works
  3. 3Hardware and Architecture10% of their works
  4. 4Information Systems10% of their works
  5. 5Artificial Intelligence6% of their works
  6. 6Economics and Econometrics4% of their works

Research topics

Which keywords describe David O'Callaghan's research?

The keywords of their largest research topics: Distributed Systems, Workflow Management, High-Performance Computing, Resource Management, Grid Computing, Task Scheduling, Parallel Computing and Reproducibility.

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 21 words, with their numbers
  1. Distributed Systems204 topics
  2. Workflow Management192 topics
  3. High-Performance Computing172 topics
  4. Resource Management152 topics
  5. Grid Computing121 topic
  6. Task Scheduling121 topic
  7. Parallel Computing92 topics
  8. Reproducibility71 topic
  9. Scientific Workflows71 topic
  10. GPU Computing51 topic
  11. Performance Optimization51 topic
  12. Distributed Storage41 topic
  13. Network Coding41 topic
  14. Big Data31 topic
  15. Cloud Computing31 topic
  16. Consistency31 topic
  17. Fault Tolerance31 topic
  18. Financial Analysis21 topic
  19. Monetary Policy21 topic
  20. Peer-to-Peer21 topic
  21. Scalable21 topic

Where does David O'Callaghan work?

David O'Callaghan's main affiliation in the publication record is Trinity College Dublin, Ireland.

How many publications and citations does David O'Callaghan have?

OpenAlex counts 21 works and 100 citations for David O'Callaghan, an h-index of 5, ranking #5,753,051 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.

Other researchers named David O'Callaghan

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