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Researcher · Leiden University · Netherlands

Ludo Waltman

Ludo Waltman publishes mostly in Statistics, Probability and Uncertainty, Artificial Intelligence and Information Systems, on topics such as scientometrics and bibliometrics research, Academic Publishing and Open Access and Research Data Management Practices.

ORCID 0000-0001-8249-1752 OpenAlex
World rank
#39,615
of 7,710,434 ranked researchers
Rank in Netherlands
#795
of 107,149
Works
389
Citations
53k
Citations per work
135.5
h-index
56
i10-index 117Top 1.6% in Statistics, Probability and Uncertainty
Ludo Waltman

What does Ludo Waltman research?

Ludo Waltman's work is mostly in Decision Sciences (34%), Computer Science (23%), Physics and Astronomy (6%).

Social Sciences: 132 works · 33.9% of their workDecision Sciences: 132 works · 33.9% of their workStatistics, Probability and Uncertainty: 95 works · 24.5% of their workInformation Systems and Management: 37 works · 9.4% of their workEverything else: 128 works · 33.0% of their workPhysical Sciences: 111 works · 28.6% of their workComputer Science: 89 works · 22.9% of their workArtificial Intelligence: 45 works · 11.6% of their workInformation Systems: 44 works · 11.3% of their workPhysics and Astronomy: 22 works · 5.7% of their workStatistical and Nonlinear Physics: 22 works · 5.7% of their workLife Sciences: 18 works · 4.5% of their workBiochemistry, Genetics and Molecular Biology: 18 works · 4.5% of their workMolecular Biology: 18 works · 4.5% of their workTHEIR WORKLudo Waltman389works
Life Sciences4%Physical Sciences29%Social Sciences34%

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. Decision Sciences13233.9%
  2. Everything else12833.0%
    1. Computer Science8922.9%
    2. Physics and Astronomy225.7%
    1. Biochemistry, Genetics and Molecular Biology184.5%
  1. 1Statistics, Probability and Uncertainty24% of their works
  2. 2Artificial Intelligence12% of their works
  3. 3Information Systems11% of their works
  4. 4Information Systems and Management9% of their works
  5. 5Statistical and Nonlinear Physics6% of their works
  6. 6Molecular Biology4% of their works

Research topics

Which keywords describe Ludo Waltman's research?

The keywords of their largest research topics: Bibliometric Analysis, Research Evaluation, COVID-19, Preprints, Data Sharing, Scientific Data Management, Community Structure and Network Dynamics.

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. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 16 words, with their numbers
  1. Bibliometric Analysis1491 topic
  2. Research Evaluation1491 topic
  3. COVID-19501 topic
  4. Preprints501 topic
  5. Data Sharing371 topic
  6. Scientific Data Management371 topic
  7. Community Structure331 topic
  8. Network Dynamics331 topic
  9. Automatic241 topic
  10. Extraction241 topic
  11. Hyperlink Analysis191 topic
  12. Webometrics191 topic
  13. Biomedical Ontologies161 topic
  14. Text Mining161 topic
  15. Gene Set Enrichment Analysis111 topic
  16. Protein-Protein Interaction Networks111 topic

Where does Ludo Waltman work?

Ludo Waltman's main affiliation in the publication record is Leiden University, Netherlands.

How many publications and citations does Ludo Waltman have?

OpenAlex counts 389 works and 52,704 citations for Ludo Waltman, an h-index of 56, ranking #39,615 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation 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.

Discussion

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