PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the broadcasting industry, radio stations sometimes utilize trade or barter agreements that exchange advertising time for goods or services such as travel or lodging, instead of for cash.
http://www.w3.org/ns/prov#wasQuotedFrom
  • gurufocus.com