PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Mushrooms -- Mushrooms are rich in protein, fiber, vitamin C, B vitamins, calcium and other minerals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mercola.com