PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • 20120150973Authentication of Service Requests Initiated From a Social Networking Site - Described are computer-based methods and apparatuses, including computer program products, for authenticating user service requests from a social networking site.
http://www.w3.org/ns/prov#wasQuotedFrom
  • faqs.org