PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If a single social insurance system is adopted covering all of the hazards that have been mentioned, it of course becomes increasingly desirable and necessary that the coverage of such a system be extended as widely as possible, since all of the population of this country is subject in varying degrees to these hazards.
http://www.w3.org/ns/prov#wasQuotedFrom
  • socialsecurity.gov