PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As social insurance would develop historically, however, the separation of systems according to hazard covered would be carried to the point that it worked against the cause of rationalization, because it produced un coordinated systems, begun at different times and using very different administrative and other methods.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ssa.gov