PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Roads are a natural monopoly mostly controlled by the government, but you can approximate what would happen on the supply side by requiring the toll authority to spend its profit on adding road capacity in particularly supply-constrained sections of road.
http://www.w3.org/ns/prov#wasQuotedFrom
  • slashdot.org