PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ???The middle class, to which in industrialized countries about a third of the population belongs, determines by its number of children whether the society goes up or down in the cycle.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wordpress.com