PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Two 400 billion stellar mass objects on a collision course is easy by comparison. ???Trajectories.??? The evolution of the sun is a horribly complex bunch of physics, an understanding of which was not possible until the advent of quantum mechanics in the 20th Century.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogcritics.org