PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Newton went further and proposed that gravity was a universal force, and that the Sun's gravity was what held planets in their orbits.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nasa.gov