PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For this invention, the preferred embodiment is a software digital radio, U.S. Pat. No. 5,592,470.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com