PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As CAUCE puts it: Buzz takes all of your GMail contacts (and presumably other connections from elsewhere within the Googleplex), and makes them all your friends" by default; it then shares your activity from Google Reader, YouTube, and other tools with all of them, and vice versa.
http://www.w3.org/ns/prov#wasQuotedFrom
  • msdn.com