PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Whooping cough, or pertussis, is very contagious and mainly affects infants and young children.
http://www.w3.org/ns/prov#wasQuotedFrom
  • grhealth.org