PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The bacterium that causes whooping cough was first identified in 1906, when the illness was a common cause of death in infants and young children.
http://www.w3.org/ns/prov#wasQuotedFrom
  • vaccineriskawareness.com