PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present invention may be implemented by a computer program embodied on various machine readable media including magnetic media such as tape and disk, on optical media such as film or CD-ROM, and on electronic or electromagnetic media such as signals used to convey digital information via telecommunications lines, optical fiber channels, and RF propagation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com