PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Henry Clay, Daniel Webster, and other Whig leaders proclaimed themselves defenders of popular liberties against the usurpation of Jackson.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hmdb.org