PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • They might be photos, newspapers, magazines, ticket stubs, report cards, letters, postcards, or other items that evoke memories.
http://www.w3.org/ns/prov#wasQuotedFrom
  • teachinghistory.org