PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A single market model has to be blind to the reality that there are multiple markets each composed by different kinds of meaning systems and values.
http://www.w3.org/ns/prov#wasQuotedFrom
  • econtalk.org