PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A recent GAO undercover investigation found that many supplements contain heavy metals including lead, mercury, cadmium and arsenic.
http://www.w3.org/ns/prov#wasQuotedFrom
  • complianceonline.com