PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It has also been suggested by at least one historian (whose name I???ve forgotten) that the existence of black slavery helped to defuse some of the class tensions that might otherwise have developed in the States between rich and poor, especially as land in the east began to fill up and marginal farmers were forced to give up their property and become industrial workers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wordpress.com