PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Why there is no such thing as empty space Watch an animation that explains why a true void is not possible according to physics
http://www.w3.org/ns/prov#wasQuotedFrom
  • newscientist.com