PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, an Intranet system having data stored in various sources such as UNIX??? text files, Oracle??? or Microsoft Access??? database systems, and other proprietary or legacy database systems, may also be used to implement embodiments of the present invention.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com