PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • According to the best-known method, in order to visit another site, the user types in the new site's web address or clicks on a link, and exits from the present site entirely to connect to the new site. [0003] As an improvement to this basic methodology, portals have been developed that present, on a single screen, information from several different sites.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com