PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In his 1798 Essay on the Principle of Population, Thomas Malthus asserted that eventually humans would reproduce so greatly that they would go beyond the limits of food supplies; once they reached this point, some sort of reckoning was inevitable.
http://www.w3.org/ns/prov#wasQuotedFrom
  • reference.com