PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • They are therefore an invisible, but very important component of the Universe, which could carry altogether as much mass as all other known forms of matter, albeit traveling almost at the speed of light over fantastic distances???. ???.In normal beta decay, a neutron inside a nucleus decays to a proton, an electron and an antineutrino???.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org