PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If the president is a married man, his wife, the first lady, is addressed as Ms. or Mrs. followed by her own last name (be it her maiden or married name).
http://www.w3.org/ns/prov#wasQuotedFrom
  • washingtonpost.com