PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In Europe, North America and other industrialized regions, over 50% of the population have used complementary or alternative medicine at least once.
http://www.w3.org/ns/prov#wasQuotedFrom
  • who.int