PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • While the sources of our chief narcotics problem are foreign, the United States is a source of illegal psychotropic drugs--such as LSD and other hallucinogens, the amphetamines, barbiturates, and tranquilizers--which afflict other nations.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ucsb.edu