Open Access statistics for Altera (United States), United States, covering academic research published from 2000 to 2023. Read More.
Open Access Percentage
90%
Total
Publications
5K
Total Open
Publications
4.5K
Total
Citations
21K
Open Access
Percentage
90%
Total
Publications
5K
Total Open
Publications
4.5K
Total
Citations
21K
Breakdown
Publisher Open
67%
Both
21%
Other Platform Open
2%
Closed
10%
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%
1.2K
Hybrid 26%
1.2K
No Guarantees 46%
2K
Other Platform Open
Institution 54%
629
Other Internet 39%
458
Public 28%
326
Domain 3%
36
Preprint 2%
19
Other Platform Locations
Name | Platform Type | Publications |
---|---|---|
Red Federada de Repositorios Institucionales de Publicaciones Científicas - LA Referencia | Other Internet | 345 |
Semantic Scholar | Public | 300 |
Unknown Repository | Other Internet | 209 |
Universidad de la Rioja - Dialnet | Institution | 133 |
AECID Library - Americanae | Institution | 80 |
RCAAP Project by FCT - Portuguese National Funding Agency for Science, Research and Technology - RCAAP Search Portal | Other Internet | 45 |
PubMed Central | Domain | 36 |
Le Centre pour la Communication Scientifique Directe - HAL - Inria | Institution | 25 |
Zenodo | Public | 22 |
Le Centre pour la Communication Scientifique Directe - HAL - Diderot | Institution | 20 |