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13. Food and Nutrition	13. Food and Nutrition
Food and Nutrition (85)	Food Composition (35)
description:	Pizzas are widely understood across most of the world. They are compositional - a pizza is composed of a base and a series of toppings. It is easy to take a pizza menu and ask people to extract the information necessary to build a pizza ontology. It is easy to talk about classifications of toppings. Exercises can be created that explore the main conceptual hurdles in OWL, such as open world reasoning; Boolean algebra; restrictions and quantifications; etc. The example pizza ontology includes the majority of the features of OWL. Using linked-data techniques, AFDSI imports data from USDA SR to create SR pizza ontology.
complete name:	Pizza USDA SR