PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some particle physicists claim that a hypothetical particle called the Higgs boson gives mass to subatomic particles such as electrons.
http://www.w3.org/ns/prov#wasQuotedFrom
  • calphysics.org