PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This version of the flu was marked by unusually severe symptoms such as internal and external bleeding, difficulty breathing to the point of turning blue (cyanosis), and severe pain.
http://www.w3.org/ns/prov#wasQuotedFrom
  • contingencies.org