PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The method of claim 23, the activity and presence information includes a user's likely past, present, and future presence and availability, attentional status or evidence for attentional status, including head pose and gaze information, and location, based upon making standard calls to an email server.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.ca