PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Widgets are not my concern, but I get my clean air and water, and your widgets are more expensive, a negative externality for you.) In the absence of the regulation, the pollution is a negative externality that affects the people not interested in the widgets.
http://www.w3.org/ns/prov#wasQuotedFrom
  • slashdot.org