PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The charged particles may be accelerated by means of a suitable voltage gradient, using such devices as a cathode ray tube, resonant cavity accelerator, a Van de Graaff accelerator, a Cockcroft-Walton accelerator, or the like, as is well known to those skilled in the art.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com