PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • During the quarter century between the end of the Second World War and 1970, the US economy was a powerhouse unmatched in the world; it was during that time that banks were closely regulated, labor unions were well-represented in the workforce, there was a true graduated income tax which led to the control of capital assets by business enterprises rather than by wealthy individuals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • samefacts.com