PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In exchange for choosing a particular advertisement, the consumer may be awarded units of money, credits or coupons that can be applied towards buying whole or fractional goods and services (in the real or virtual world), clues for winning games and contests, or other information or opportunities with perceived value.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com