PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Youth who smoked, drank or used heroin and other opiates were more likely to try crystal meth.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sciencedaily.com