PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, in the 1960???s we saw an increase in the use of all drugs, including cocaine and through the 1970???s and 1980???s cocaine use increased steadily among the younger populations.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com