PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Gravity acts not as a force but as a field that very slightly warps space and time around massive bodies such as stars and planets.
http://www.w3.org/ns/prov#wasQuotedFrom
  • lockheedmartin.com