PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Beginning in 1988, it has sponsored major exhibits featuring personal memorabilia from every U.S. President and First Lady, a pioneering look at World War I, an unprecedented display of presidential gifts and exciting exhibits on the Roaring Twenties, the Civil War, and other subjects of broad public appeal.
http://www.w3.org/ns/prov#wasQuotedFrom
  • artdaily.com