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National Diet Library

ndl.go.jpROR OpenAlex
Research works
69
▼ 51% vs 2013–17
Citations
60
0.9 per fractional work
Top-10% rate
50.0%
record average 16.5%
Open access
52%
world 28%

Not ranked overall: National Diet Library is under the volume floor below which an excellence rate is noise. Not ranked is not the same as ranked last.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Which keywords describe research at National Diet Library?

By fractional works in all years, weighted toward what it does more of than the world: Identity, History, Semantic Web, Digital Repositories, Linked Data, Colonialism, Food Tourism and Gastronomy.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in all years in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Identity10▲ 19×6 topics
  2. History10▲ 18×7 topics
  3. Semantic Web8▲ 85×4 topics
  4. Digital Repositories7▲ 413×2 topics
  5. Linked Data7▲ 132×2 topics
  6. Sustainability6▲ 4.9×2 topics
  7. Colonialism5▲ 15×4 topics
  8. Food Tourism5▲ 288×1 topic
  9. Gastronomy5▲ 288×1 topic
  10. Gender5▲ 13×4 topics
  11. Religion5▲ 13×4 topics
  12. Bibliographic Framework5▲ 758×1 topic
  13. Culture5▲ 15×4 topics
  14. Resource Description and Access5▲ 758×1 topic
  15. Nationalism5▲ 12×3 topics
  16. Literature5▲ 14×3 topics
  17. Philosophy4▲ 14×3 topics
  18. Modernization4▲ 52×3 topics
  19. Politics4▲ 22×2 topics
  20. Society4▲ 26×2 topics
  21. China4▲ 28×1 topic
  22. Regulation4▲ 8.6×1 topic
  23. Japan4▲ 185×1 topic
  24. Data Integration3▲ 18×3 topics
  25. Metadata Standards3▲ 144×2 topics
  26. Archives3▲ 286×1 topic
  27. Digital Preservation3▲ 247×1 topic
  28. Social Movements3▲ 12×3 topics
  29. Copyright2▲ 168×1 topic
  30. Digital Piracy2▲ 343×1 topic
  31. Human Rights2▲ 3.8×5 topics
  32. Data Sharing2▲ 156×1 topic
  33. Library Services2▲ 194×1 topic
  34. Political Economy2▲ 12×3 topics
  35. Scientific Data Management2▲ 201×1 topic
  36. Social Inclusion2▲ 89×1 topic
  37. Ontology2▲ 17×2 topics
  38. Precision Medicine2▲ 9.3×3 topics
  39. OWL2▲ 40×1 topic
  40. RDF2▲ 40×1 topic

Which research topics does National Diet Library publish most on?

By volume in 2022–2025: Library Science and Information Systems, Mathematics, Computing, and Information Processing, Natural Language Processing Techniques and Digital and Traditional Archives Management.

Library Science and Information Systems: 0 fractional worksMathematics, Computing, and Information Processing: 0 fractional worksNatural Language Processing Techniques: 0 fractional worksDigital and Traditional Archives Management: 0 fractional worksDigital Humanities and Scholarship: 0 fractional worksMuseums and Cultural Heritage: 0 fractional works
Information SystemsComputational Theory and MathematicsArtificial IntelligenceConservation2 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Library Science and Information Systems Information Systems 0 works
  2. 2 Mathematics, Computing, and Information Processing Computational Theory and Mathematics 0 works
  3. 3 Natural Language Processing Techniques Artificial Intelligence 0 works
  4. 4 Digital and Traditional Archives Management Conservation 0 works
  5. 5 Digital Humanities and Scholarship Literature and Literary Theory 0 works
  6. 6 Museums and Cultural Heritage Museology 0 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available52.2%not open47.8%

World: 28% of research is openly available.

with international co-authors5.8%domestic only94.2%

World: 19% is written across borders.

How has National Diet Library's research output changed?

Output in 2018–2022 was 51% lower than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Tokyo

All research institutions in Tokyo

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.