PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A geopolitical black hole is -- in astrophysics, a black hole is a place where the traditional laws of physics do not apply.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cfr.org