PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Codeine is a naturally occurring alkaloid of opium, although today most of it is manufactured synthetically.
http://www.w3.org/ns/prov#wasQuotedFrom
  • drugaddictiontreatment.com