PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The survey continues to show that most teens obtain prescription drugs like amphetamines, tranquilizers, or narcotics other than heroin, for free from friends and family; roughly 68% of 12th graders, for example, report getting prescription pain relievers this way.
http://www.w3.org/ns/prov#wasQuotedFrom
  • drugabuse.gov