Sigma Space (United States)
Open Access statistics for Sigma Space (United States), United States, covering academic research published from 2002 to 2023.
Open Access statistics for Sigma Space (United States), United States, covering academic research published from 2002 to 2023. Read More.
Open Access Percentage
48%
Total
Publications
585
Total Open
Publications
279
Total
Citations
21K
Open Access
Percentage
48%
Total
Publications
585
Total Open
Publications
279
Total
Citations
21K
Breakdown
Publisher Open
8%
Both
17%
Other Platform Open
23%
Closed
52%
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 31%
44
Hybrid 34%
48
No Guarantees 35%
50
Other Platform Open
Institution 73%
170
Other Internet 26%
60
Public 15%
35
Preprint 8%
19
Domain 6%
13
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
nasa.gov OAI-PMH Repository | Institution | 148 |
Semantic Scholar | Public | 35 |
USMAI Consortium - Maryland Shared Open Access Repository | Other Internet | 27 |
DOI | Other Internet | 21 |
arXiv | Preprint | 19 |
PubMed Central | Domain | 13 |
Le Centre pour la Communication Scientifique Directe - HAL - memSIC | Other Internet | 9 |
Europe PMC | Domain | 8 |
U.S. Department of Energy Office of Scientific and Technical Information - OSTI OAI | Institution | 7 |
Le Centre pour la Communication Scientifique Directe - HAL - Inria | Institution | 7 |