PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The closest star according to astronomers is about 4 light years away, which means that at the speed of light it takes 4 years for a beam of light to reach [???]
http://www.w3.org/ns/prov#wasQuotedFrom
  • steveholt.com