PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As for anti-gravity, I will not address this here because there is plenty of research papers you can find at CERN and DARPA that will show that this technology is a reality although not in mass production.
http://www.w3.org/ns/prov#wasQuotedFrom
  • extremetech.com