PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As for journalists, to a large extent they have always used one another as sources -- ie, the AP, UPI and other wire services have frequently formed the basis of stories for many of the same mainstream newspapers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mobileread.com