PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • An actor portraying Alexander Graham Bell speaking into a early model of the telephone for a 1926 promotional film by AT&T. (Early Office Museum) Vail???s perspective on monopolies might seem dated, but they made a certain amount of sense at a time when oil, steel and other industries were dominated by single companies, too.
http://www.w3.org/ns/prov#wasQuotedFrom
  • washingtonpost.com