PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It was the purpose of the high-voltage laboratories, established in 1914, to test insulators and other protective apparatus used on high-tension transmission lines in order to discover the means of protecting lines and power-houses from damage in electrical storms.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ethw.org