PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some argued further that, because of the historical circumstances surrounding the capture, enslavement and systematic attempts to de-Africanize blacks in the United States under chattel slavery, most African Americans are unable to trace their ancestry to a specific African nation; hence, the entire continent serves as a geographic marker.
http://www.w3.org/ns/prov#wasQuotedFrom
  • goo.ne.jp