PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • With the discovery of America and the opening up of new lands suited to a semi-tropical agriculture, a new form of slavery was devised, that of African negroes, brought across the ocean in slave-ships and made to bear the brunt of the heavy labor connected with the production of tobacco, cotton, and other crops.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikisource.org