PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The 1920s illustrates the point that the fascinating and important story is not what presidents did but how a changing society eventually thrust church-state, free speech, and other civil liberties issues to center state.
http://www.w3.org/ns/prov#wasQuotedFrom
  • historynewsnetwork.org