PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Many brands already use Twitter, in particular in the travel & hospitality vertical, i.e. airlines, hotels, destinations, etc.
http://www.w3.org/ns/prov#wasQuotedFrom
  • yahoo.com