PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • BACKGROUND OF INVENTION [0002] The present invention relates to validation of content cached in a packet-switched data network. [0003] Data networks, such as packet-switched networks based on the TCP/IP protocol suite, can be utilized to distribute a rich array of digital content to a variety of different client applications.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com