PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Session description: Google, Yahoo, Ask, and other search engines have changed the way they present search results, and the changes have major implications for interactive marketers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • webpronews.com