PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Given the price changes in the past (free, ten cents, a quarter), the demand is mostly inelastic as the price gets lower, e.g., a free bus does not generate significantly more passengers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com