PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • PCP was studied in the 1950s as a human anesthetic but after reports of delusions, psychosis, and other side effects was restricted to veterinary use and eventually discontinued.
http://www.w3.org/ns/prov#wasQuotedFrom
  • straightdope.com