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.
The size of each vertex is proportional to its degree, whereas color codes the k-coreness. A sample of 10% of the whole network has been used for this visualisation.
