
Open Access statistics for NTT (Germany), Germany, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
22%
Total
Publications
895
Total Open
Publications
193
Total
Citations
30K
Open Access
Percentage
22%
Total
Publications
895
Total Open
Publications
193
Total
Citations
30K
Breakdown
Publisher Open
10%
Both
2%
Other Platform Open
8%
Closed
80%
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 28%
31
Hybrid 10%
11
No Guarantees 62%
67
Other Platform Open
Institution 77%
72
Public 11%
10
Preprint 10%
9
Domain 5%
5
Other Internet 4%
4
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
Technical University of Munich | Institution | 18 |
doaj.org OAI-PMH Repository | Institution | 18 |
epfl.ch OAI-PMH Repository | Institution | 12 |
Zenodo | Public | 10 |
arXiv | Preprint | 8 |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 6 |
PubMed Central | Domain | 5 |
kuleuven.be OAI-PMH Repository | Institution | 5 |
DOI | Other Internet | 5 |
tind.io OAI-PMH Repository | Institution | 4 |