PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The heliogram is a heliocentric view of our solar system and includes the positions of all the planets which orbit our sun including Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freakonomics.com