PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In old media such as newspapers and television, most people can readily identify ads because they look or act so very different from content.
http://www.w3.org/ns/prov#wasQuotedFrom
  • searchenginewatch.com