PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Galaxies, such as our own Milky Way, consist of billions of stars, as well as great amounts of gas and dust.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sciencedaily.com