PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A tribute or memorial is a perfect to mark a transition or celebration, such as a birthday, anniversary, graduation day, Mother's or Father's Day, or as an expression of sympathy.
http://www.w3.org/ns/prov#wasQuotedFrom
  • marktwainmuseum.org