PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Included are standards discussing harmonic distortion (frequencies that are multiples of the line frequency) as well as high-frequency interhar- monics caused by switching power supplies, inverters, and other high- frequency circuits.
http://www.w3.org/ns/prov#wasQuotedFrom
  • slideshare.net