PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A breakthrough came in 1854 when John Snow worked out that cholera was a waterborne infection, and that all cases in Soho at that time related to the use of water from one pump.
http://www.w3.org/ns/prov#wasQuotedFrom
  • infobritain.co.uk