National Institute of Informatics

The National Institute of Informatics is a Japanese research institute located in Chiyoda, Tokyo, Japan. NII was established in April 2000 for the purpose of advancing the study of informatics. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for National Institute of Informatics, Japan, covering academic research published from 2000 to 2024. Read More.

Open Access Percentage

34%

Total
Publications

8.8K

Total Open
Publications

Total
Citations

163K

Open Access
Percentage

34%

Total
Publications

8.8K

Total Open
Publications

Total
Citations

163K

Wikipedia

Website

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Breakdown

Publisher Open

16%

Both

Other Platform Open

Closed

71%

Percentage of Open Access over time

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

Open

Closed

Publisher Open

OA Journal 29%

542

Hybrid 21%

388

No Guarantees 50%

911

Other Platform Open

Preprint 52%

687

Institution 36%

473

Domain 15%

196

Other Internet 9%

124

Public 3%

Other Platform Locations

Name	Platform Type	Publications
arXiv	Preprint	738
PubMed Central	Domain	194
Le Centre pour la Communication Scientifique Directe - HAL - Diderot	Institution	165
DOI	Other Internet	122
Royal Netherlands Academy of Arts and Sciences	Institution	33
Europe PMC	Domain	30
Figshare	Public	24
University of Edinburgh	Institution	23
epfl.ch OAI-PMH Repository	Institution	18
Aalto University	Institution	18

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Data updated 18 August 2025