PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • What I call pure-vanilla search engines are engines such as Google and AltaVista that regularly crawl (or spider) the Internet, picking up new websites and updating old ones in their index.
http://www.w3.org/ns/prov#wasQuotedFrom
  • searchenginejournal.com