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Researcher · Royal Danish Library · Denmark

Birger Hjørland

Birger Hjørland publishes mostly in Information Systems, Artificial Intelligence and Sociology and Political Science, on topics such as Education, Healthcare and Sociology Research, Semantic Web and Ontologies and Information Retrieval and Search Behavior.

ORCID 0000-0001-9535-1732 OpenAlex
World rank
#154,443
of 7,710,434 ranked researchers
Rank in Denmark
#986
of 43,819
Works
283
Citations
7.1k
Citations per work
25.0
h-index
43
i10-index 80Top 0.4% in Information Systems
Birger Hjørland

What does Birger Hjørland research?

Birger Hjørland's work is mostly in Computer Science (24%), Social Sciences (16%), Psychology (8%).

Everything else: 135 works · 47.7% of their workSocial Sciences: 79 works · 28.0% of their workSocial Sciences: 44 works · 15.5% of their workSociology and Political Science: 29 works · 10.1% of their workEducation: 15 works · 5.4% of their workPsychology: 23 works · 8.0% of their workSocial Psychology: 23 works · 8.0% of their workArts and Humanities: 13 works · 4.5% of their workHistory and Philosophy of Science: 13 works · 4.5% of their workPhysical Sciences: 69 works · 24.3% of their workComputer Science: 69 works · 24.3% of their workInformation Systems: 35 works · 12.5% of their workArtificial Intelligence: 33 works · 11.8% of their workTHEIR WORKBirger Hjørland283works
Physical Sciences24%Social Sciences28%

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. Everything else13547.7%
    1. Social Sciences4415.5%
    2. Psychology238.0%
    3. Arts and Humanities134.5%
    1. Computer Science6924.3%
  1. 1Information Systems12% of their works
  2. 2Artificial Intelligence12% of their works
  3. 3Sociology and Political Science10% of their works
  4. 4Social Psychology8% of their works
  5. 5Education5% of their works
  6. 6History and Philosophy of Science4% of their works

Research topics

Which keywords describe Birger Hjørland's research?

The keywords of their largest research topics: Tacit Knowledge, Ethical Guidelines, Interactional Expertise, Ontology, Semantic Web, Knowledge Sharing, Information Retrieval and Search Engines.

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 18 words, with their numbers
  1. Tacit Knowledge652 topics
  2. Ethical Guidelines471 topic
  3. Interactional Expertise471 topic
  4. Ontology451 topic
  5. Semantic Web451 topic
  6. Knowledge Sharing312 topics
  7. Information Retrieval271 topic
  8. Search Engines271 topic
  9. Environmental History221 topic
  10. Global Crisis221 topic
  11. Automatic191 topic
  12. Extraction191 topic
  13. Methodology181 topic
  14. Qualitative Research181 topic
  15. Social Capital181 topic
  16. Virtual Communities181 topic
  17. Communities of Practice131 topic
  18. E-Learning131 topic

Where does Birger Hjørland work?

Birger Hjørland's main affiliation in the publication record is Royal Danish Library, Denmark.

How many publications and citations does Birger Hjørland have?

OpenAlex counts 283 works and 7,069 citations for Birger Hjørland, an h-index of 43, ranking #154,443 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.

Other researchers named Birger Hjørland

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