PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Launched May 1, 1981, it was the first such loyalty program in the world, and remains the largest with more than 50 million members as of 2005.Miles accumulated in the program allow members to redeem tickets, upgrade service class, or obtain free or discounted car rentals, hotel stays, merchandise, or other products and services through partners.
http://www.w3.org/ns/prov#wasQuotedFrom
  • reference.com