PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The down-converter 520 shifts the frequency of the entire input spectrum to the left or right, such as by an amount substantially corresponding to the center/offset frequency fA of the relevant channel.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com