
Open Access statistics for IM Systems (United States), United States, covering academic research published from 2000 to 2025.
Open Access statistics for IM Systems (United States), United States, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
51%
Total
Publications
388
Total Open
Publications
198
Total
Citations
18K
Open Access
Percentage
51%
Total
Publications
388
Total Open
Publications
198
Total
Citations
18K
Breakdown
Publisher Open
19%
Both
23%
Other Platform Open
5%
Closed
53%
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 52%
79
Hybrid 12%
18
No Guarantees 36%
54
Other Platform Open
Institution 76%
79
Other Internet 55%
57
Domain 12%
12
Preprint 6%
6
Public 1%
1
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
doaj.org OAI-PMH Repository | Institution | 56 |
Unknown Repository | Other Internet | 49 |
DOI | Other Internet | 27 |
PubMed Central | Domain | 12 |
Preprints | Preprint | 4 |
Office of Scientific and Technical Information | Institution | 4 |
epfl.ch OAI-PMH Repository | Institution | 4 |
National Aeronautics and Space Administration | Institution | 3 |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 3 |
University of Liège | Institution | 2 |