PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When speaking about a physics engine, the world itself is an object, one that plays a special role in the simulation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • raywenderlich.com