PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • They found that some of the moons, such as Tethys, shown below, are dazzlingly white, but no one could explain why they have such reflective surfaces.
http://www.w3.org/ns/prov#wasQuotedFrom
  • newscientist.com