PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There is, for example, the badly termed concept of the ???natural rate of unemployment.??? This rate is simply the long-run average rate caused by institutions such as minimum-wage laws, taxation, and employment laws, in contrast to the higher temporary unemployment during recessions, and this so-called ???natural rate??? changes with time.
http://www.w3.org/ns/prov#wasQuotedFrom
  • progress.org