PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The song lyrics allude to a fair number of advertising slogans of the time; Progress Is The Root Of All Evil, whose title is a cross between an old proverb and a General Electric slogan, is about 1950s trends and failing to keep up with them.* ''Theatre/TheMostHappyFella'', despite being set in the 1920s, is commonly supposed to take place in the 1950s, when it was written.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tvtropes.org