PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Robert E. Lee, who was related to Custis's wife, was a frequent visitor to Arlington from childhood until his marriage to Custis's only daughter, Mary.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nps.gov