PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Yet, potassium is an essential nutrient, and we need about a gram a day, but in the form in which it naturally occurs in foods.
http://www.w3.org/ns/prov#wasQuotedFrom
  • acne.org