PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Examples of item return information sources may include one or more mechanisms by which information is received from the operator regarding the item and/or by which information is received the customer, including via a Web site, phone, email, instant messaging, fax, etc.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com