PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When such a void occurs at a so-called triple points, i.e. a point at which there is a boundary between air/vacuum, conductor and insulator, the likelihood of an electrical discharge increases considerably.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com