The search for extraterrestrial intelligence is a collective term for scientific searches for intelligent extraterrestrial life, for example, monitoring electromagnetic radiation for signs of transmissions from civilizations on other planets.Scientific investigation began shortly after the advent of radio in the early 1900s, and focused international efforts have been ongoing since the 1980s. Derived from Wikipedia licensed CC-BY-SA.
Open Access statistics for Search for Extraterrestrial Intelligence, United States, covering academic research published from 2000 to 2021. Read More.
Open Access Percentage
64%
Total
Publications
2.2K
Total Open
Publications
1.4K
Total
Citations
96K
Open Access
Percentage
64%
Total
Publications
2.2K
Total Open
Publications
1.4K
Total
Citations
96K
Breakdown
Publisher Open
10%
Both
21%
Other Platform Open
33%
Closed
36%
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 14%
94
Hybrid 30%
198
No Guarantees 56%
375
Other Platform Open
Institution 63%
746
Preprint 63%
745
Other Internet 14%
168
Domain 11%
130
Public 3%
33
Other Platform Locations
Name | Platform Type | Publications |
---|---|---|
arXiv | Preprint | 784 |
California Institute of Technology - CaltechAUTHORS | Institution | 234 |
PubMed Central | Domain | 130 |
CiteSeer X | Other Internet | 130 |
Massachusetts Institute of Technology - DSpace@MIT | Institution | 117 |
Europe PMC | Domain | 89 |
Chiba Institute of Technology - Springer Link | Institution | 59 |
nasa.gov OAI-PMH Repository | Institution | 57 |
Leiden University - Leiden Repository | Institution | 56 |
U.S. Department of Energy Office of Scientific and Technical Information - OSTI OAI | Institution | 53 |