PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • One example of such a system is described in U.S. Pat. No. 5,119,491, entitled Method And Apparatus For Formatting Document By Using Command Codes Regarding Document Structure.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com