Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Types and total instances of open data sources identified in the 33 selected articles (refer to Table 3 for details).
| Open Data Source Type | Total Instances |
|---|---|
| Open documents repository | 22 |
| Public database | 22 |
| Open data portal | 15 |
| Public maps | 12 |
| Public/open source software | 5 |
| Open access journal | 1 |
