PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Therefore, there is a need for a method and apparatus for providing efficient utilization of available spectrum in a centralized or distributed information transfer system, thereby reducing or eliminating the need for a large spectrum allocation or fixed frequencies of operation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.co.uk