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National Science Library

In research, National Science Library stands highest in Physical Sciences (#10,332 of 12,888 worldwide), 2022–2025. Relative to its size it is most specialised in Artificial Intelligence — Artificial Intelligence is 5.9× its share of world research.

english.las.cas.cnROR OpenAlex
World rank, 2022–2025
#16,925
of 28,054 · #28,843 all time
Rank in China
#2,614
of 3,058
Research works
728
▼ 31% vs 2013–17
Citations
3.1k
4.3 per fractional work
Top-10% rate
20.1%
record average 16.5%
Open access
25%
world 28%

What is National Science Library known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #10,332 of 12,888 14.2%78 #18231

Each strip is that field’s whole ranked pool, with the notch where National Science Library sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

What does National Science Library specialise in?

Where its research is concentrated relative to its size: Artificial Intelligence takes 5.9× the share of its output that it takes of world research.

  1. Artificial IntelligenceSubfield · 20.8 works5.9×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

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.

Agricultural and Biological Sciences: 0.26× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.84× its world share, 7 worksBiochemistry, Geneti…Immunology and Microbiology: 0.13× its world share, 0 worksImmunology and Micro…Neuroscience: 0.30× its world share, 1 worksNeuroscienceChemical Engineering: 0.67× its world share, 0 worksChemical EngineeringChemistry: 0.21× its world share, 0 worksChemistryComputer Science: 4.01× its world share, 46 worksComputer ScienceEarth and Planetary Sciences: 0.38× its world share, 1 worksEarth and Planetary …Energy: 1.92× its world share, 3 worksEnergyEngineering: 0.52× its world share, 11 worksEngineeringEnvironmental Science: 1.06× its world share, 8 worksEnvironmental ScienceMaterials Science: 1.04× its world share, 5 worksMaterials ScienceMathematics: 0.12× its world share, 0 worksMathematicsPhysics and Astronomy: 1.14× its world share, 4 worksPhysics and AstronomyHealth Professions: 0.24× its world share, 1 worksHealth ProfessionsMedicine: 0.29× its world share, 8 worksMedicineNursing: 0.56× its world share, 0 worksNursingArts and Humanities: 0.84× its world share, 4 worksArts and HumanitiesBusiness, Management and Accounting: 1.43× its world share, 7 worksBusiness, Management…Decision Sciences: 13.51× its world share, 19 worksDecision SciencesEconomics, Econometrics and Finance: 1.64× its world share, 5 worksEconomics, Econometr…Psychology: 0.46× its world share, 2 worksPsychologySocial Sciences: 0.70× its world share, 13 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Decision Sciences, 13.5×. Every wedge is a field page.

Who are the top researchers at National Science Library?

Ranked on the composite score, Liying Yang, Zhesi Shen and Zhixiong Zhang lead among researchers whose main affiliation is National Science Library.

  1. 1 Liying Yang China · #1,446,134 worldwide 19 citations · 23 works
  2. 2 Zhesi Shen China · #1,493,469 worldwide 17 citations · 18 works
  3. 3 Zhixiong Zhang China · #1,567,669 worldwide 9 citations · 23 works
All ranked researchers at National Science Library

Which keywords describe research at National Science Library?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Neural Networks, Interdisciplinary Research, Bibliometric Analysis, Research Evaluation, Scientific Impact, Big Data, Machine Learning and Extraction.

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

Size is fractional works in 2022–2025 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. Machine Learning14▲ 2.9×32 topics
  2. Neural Networks13▲ 5.9×8 topics
  3. Bibliometric Analysis10▲ 123×2 topics
  4. Interdisciplinary Research10▲ 78×2 topics
  5. Research Evaluation10▲ 283×1 topic
  6. Scientific Impact10▲ 283×1 topic
  7. Big Data10▲ 7.2×13 topics
  8. Deep Learning8▲ 1.51×30 topics
  9. Extraction7▲ 38×2 topics
  10. Automatic7▲ 123×1 topic
  11. Textual Data7▲ 123×1 topic
  12. Text Mining7▲ 35×5 topics
  13. Data Integration6▲ 26×5 topics
  14. Information Retrieval6▲ 20×5 topics
  15. Social Media6▲ 3.0×9 topics
  16. Innovation6▲ 3.9×9 topics
  17. Data Sharing6▲ 145×1 topic
  18. Scientific Data Management6▲ 180×1 topic
  19. Text Classification5▲ 23×3 topics
  20. Healthcare5▲ 3.2×9 topics
  21. Semantic Web5▲ 38×3 topics
  22. Topic Modeling5▲ 23×2 topics
  23. Artificial Intelligence5▲ 2.5×11 topics
  24. Knowledge Management5▲ 6.1×5 topics
  25. Machine Translation4▲ 18×1 topic
  26. Word Representation4▲ 24×1 topic
  27. Research Integrity4▲ 100×2 topics
  28. Data Mining4▲ 3.7×7 topics
  29. Natural Language Processing4▲ 11×3 topics
  30. Peer Review4▲ 86×3 topics
  31. Ontology4▲ 30×3 topics
  32. Scholarly Communication3▲ 91×2 topics
  33. Biomedical Literature3▲ 81×1 topic
  34. Biomedical Ontologies3▲ 81×1 topic
  35. Open Access3▲ 21×2 topics
  36. Research Dissemination3▲ 112×2 topics
  37. Preprints3▲ 126×1 topic
  38. Science Communication3▲ 23×2 topics
  39. Scientific Publishing3▲ 126×1 topic
  40. Semantic Web Services3▲ 34×2 topics

Which research topics does National Science Library publish most on?

By volume in 2022–2025: scientometrics and bibliometrics research, Advanced Text Analysis Techniques, Research Data Management Practices and Topic Modeling.

scientometrics and bibli…10scientometrics and bibliometrics research: 10 fractional worksAdvanced Text Analysis Techniques: 7 fractional worksResearch Data Management Practices: 6 fractional worksTopic Modeling4Topic Modeling: 4 fractional worksBiomedical Text Mining and Ontologies: 3 fractional worksAcademic Publishing and …3Academic Publishing and Open Access: 3 fractional worksMachine Learning in Materials Science: 2 fractional worksTechnology and Data Analysis: 2 fractional worksDigital and Traditional Archives Management: 2 fractional worksScientific Computing and Data Management: 2 fractional works
Statistics, Probability and UncertaintyArtificial IntelligenceInformation SystemsMolecular Biology3 others

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

  1. 1 scientometrics and bibliometrics research Statistics, Probability and Uncertainty 10 works
  2. 2 Advanced Text Analysis Techniques Artificial Intelligence 7 works
  3. 3 Research Data Management Practices Information Systems 6 works
  4. 4 Topic Modeling Artificial Intelligence 4 works
  5. 5 Biomedical Text Mining and Ontologies Molecular Biology 3 works
  6. 6 Academic Publishing and Open Access Information Systems and Management 3 works
  7. 7 Machine Learning in Materials Science Materials Chemistry 2 works
  8. 8 Technology and Data Analysis Information Systems 2 works
  9. 9 Digital and Traditional Archives Management Conservation 2 works
  10. 10 Scientific Computing and Data Management Information Systems and Management 2 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 available25.3%not open74.7%

World: 28% of research is openly available.

with international co-authors9.5%domestic only90.5%

World: 19% is written across borders.

How has National Science Library's research output changed?

Output in 2018–2022 was 31% 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 Beijing

All research institutions in Beijing

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.