PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Many languages, such as Russian, Spanish and Portuguese (and no doubt others) use double negatives to express negation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • slashdot.org