PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When the Emancipation Proclamation allowed the enlistment of African American soldiers, black leaders such as Frederick Douglass immediately went to work recruiting men.
http://www.w3.org/ns/prov#wasQuotedFrom
  • gilderlehrman.org