PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Virtual economies function just like real world economies, with factors such as supply and demand, inflation, etc. must be factored in to equate a pricing structure that will both remain balanced and fair within the game, provide developers with a decent return for their efforts, and remain attractive to the end user, i.e. cost vs. value.
http://www.w3.org/ns/prov#wasQuotedFrom
  • adweek.com