PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As a computer scientist, it is very clear to me that quantities such as aggregate demand or aggregate supply are properly thought of as measures, and imperfect measures at best.
http://www.w3.org/ns/prov#wasQuotedFrom
  • econtalk.org