PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It explains that until the mid 1990s, heroin was virtually unknown in the country and other opiates were not major sources of concern; however, in less than a decade, Tajikistan has become a key transit country for Afghan opiates bound northward and westward, and a major heroin consumer.
http://www.w3.org/ns/prov#wasQuotedFrom
  • oup.com