PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Google system involved pooling of information collected on individual users across its services, including YouTube, Gmail and the Google+ social network, without giving users the choice to opt out.
http://www.w3.org/ns/prov#wasQuotedFrom
  • itproportal.com