PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When trying to visually estimate appropriate portion size, the following comparisons can be helpful: A healthy serving of fruit vegetables is about the size of a baseball, a serving of meat should be about the size of a deck of cards, a serving of rice is about the size of a light bulb, a serving of fat, such as butter or mayo, should be no larger than a poker chip.
http://www.w3.org/ns/prov#wasQuotedFrom
  • foodfacts.com