PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • John was a young man employed as a collier during the cotton panic (American Civil War 1863-4), when there was not much coal required; most of the factories being stopped for a long time.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ancestry.com