PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • At this time, we can not guarantee that this method will work Sitemaps created with tools other than the Sitemap Generator.
http://www.w3.org/ns/prov#wasQuotedFrom
  • googlecode.com