PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This was the era of the Works Progress Administration, headed by Harry Hopkins, along with other progressive programs and measures, such as unemployment insurance, Social Security, and the Wagner Act (giving the de jure right to organize).
http://www.w3.org/ns/prov#wasQuotedFrom
  • monthlyreview.org