PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The problem in a GUT is that all particles, including the quarks and leptons, tend to acquire masses of about 1016 GeV, the unification energy.
http://www.w3.org/ns/prov#wasQuotedFrom
  • britannica.com