PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The best sources of iron are meat, poultry, fish, and iron-fortified foods (foods that have iron added).
http://www.w3.org/ns/prov#wasQuotedFrom
  • nih.gov