PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Description Framework (RDF). RSS can be used to describe news or other web content that is available for "feeding" (distribution or syndication) from an online publisher to Web users. For example, RSS allows one web site to acquire or display material
http://www.w3.org/ns/prov#wasQuotedFrom
  • docstoc.com