PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Communication systems utilizing such apparatus would have advantages over virtually all known systems including microwave radio transmission systems and the like, from the point of view of efliciency and amount of information transmitted per channel.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.ca