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 structure of FoodKG
There are different instances of the FoodKG in the bottom left of the figure. FoodKG adopts the WhatToMake ontology as its ontology from several sources, such as FoodOn. Besides, instances in FoodKG are associated with nutrition data from the USDA ingredient nutrient database (the orange block at the top left) to support food recommendations with rich nutritional parameters. 68
