PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • That moon rocks can hold any water is a surprise because it contradicts the prevailing ideas about how the moon formed.
http://www.w3.org/ns/prov#wasQuotedFrom
  • newscientist.com