PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • conversion, being more particularly concerned with power converters and inverters, including frequency changers, DC-to-DC power converters, DC-to-AC power inverters, and RF generators or transmitters in which the basic power conversion is accomplished
http://www.w3.org/ns/prov#wasQuotedFrom
  • patents.com