National Institute of Informatics

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

39%


Total
Publications

8.8K


Total Open
Publications

3.4K


Total
Citations

156K


Open Access
Percentage

39%


Total
Publications

8.8K


Total Open
Publications

3.4K


Total
Citations

156K

Wikipedia

Website

download

Breakdown

17% 9% 13% 61%

Publisher Open

17%

Both

9%

Other Platform Open

13%

Closed

61%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

050100150200250300350400450500Total Publications
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Open

Closed

Publisher Open

20%OA Journal

OA Journal 20%

467

Hybrid 31%

706

No Guarantees 49%

1.1K

Other Platform Open

Preprint 60%

1.2K

Institution 30%

569

Other Internet 16%

309

Domain 11%

214

Public 8%

148

Other Platform Locations

Name

Platform Type

Publications

arXiv
Preprint
1.2K
PubMed Central
Domain
209
CiteSeer X
Other Internet
182
University of Edinburgh - Edinburgh Research Explorer
Institution
179
Europe PMC
Domain
113
Semantic Scholar
Public
96
Le Centre pour la Communication Scientifique Directe - HAL - TYPE COMM
Other Internet
68
Le Centre pour la Communication Scientifique Directe - HAL - Diderot
Institution
60
Le Centre pour la Communication Scientifique Directe - HAL - Inria
Institution
59
Le Centre pour la Communication Scientifique Directe - HAL - memSIC
Other Internet
49
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Data updated 7 April 2025

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