PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Most overdoses are caused by prescription medications, in particular opioid pain relievers such as OxyContin, Vicodin and morphine.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wschronicle.com