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.
(A) A subset of curated data sources used in ontology population. (B) A schematic of the ontology schema with classes (boxes) and relationships (lines) connecting the classes. (C) Applications for ontology browsing and navigation.
