PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Progressive MSNBC host Rachel Maddow tells her audience: ???This is a perfect system for the Republican Party.
http://www.w3.org/ns/prov#wasQuotedFrom
  • historycommons.org