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.
Different colors indicate nodes belonging to different semantic category according to the output of the supervised tagging. In particular, purple nodes belong to geopolitics, red nodes to environment, blue nodes to health, and green to diet.
