University of Cologne
The University of Cologne is a public research university in Cologne, Germany. It was established in 1388. It closed in 1798 before being re-established in 1919. It is now one of the largest universities in Germany with around 43,594 students. Derived from Wikipedia licensed CC-BY-SA.
Open Access statistics for University of Cologne, Germany, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
51%
Total
Publications
85K
Total Open
Publications
43K
Total
Citations
2.9M
Open Access
Percentage
51%
Total
Publications
85K
Total Open
Publications
43K
Total
Citations
2.9M
Breakdown
Publisher Open
14%
Both
26%
Other Platform Open
11%
Closed
49%
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 46%
15K
Hybrid 29%
9.6K
No Guarantees 25%
8.4K
Other Platform Open
Institution 59%
19K
Domain 45%
14K
Other Internet 21%
6.5K
Preprint 21%
6.5K
Public 3%
1.1K
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 14K |
doaj.org OAI-PMH Repository | Institution | 7.5K |
DOI | Other Internet | 5.4K |
arXiv | Preprint | 4.5K |
Unknown Repository | Other Internet | 2.1K |
Royal Netherlands Academy of Arts and Sciences | Institution | 1.4K |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 1.3K |
bioRxiv | Preprint | 1.2K |
Asklepios Klinik St. Georg | Institution | 1.1K |
University of Groningen | Institution | 907 |