PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It was pointed out in one essay that ???Negro slavery, as existing in the United States and British West Indies, appears to be creature sui generis, unknown to the ancients; and, though drawn from the least cultivated quarter of the globe, unknown even there, except in passing state??? as it is a peculiar institution that ???finds no counterpart in the annals of the most barbarous nation on earth.
http://www.w3.org/ns/prov#wasQuotedFrom
  • bellaonline.com