PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • After the Civil War, prison populations in the south skyrocketed ??? mostly by the flow of newly freed slaves into correctional facilities as a result of the Black Codes, vagrancy laws, and other policies specifically targeting them.
http://www.w3.org/ns/prov#wasQuotedFrom
  • communityjournal.net