PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • We might be able to figure out whether the rings are rock and dust alone, or whether there is a mixture of all sorts of different materials.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nasa.gov