PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Index of Sustainable Economic Progress (ISEP) and the General Progress Indicator (GPI), for example, modify the GDP to account for such things as household and volunteer work on the plus side, while subtracting environmental and social costs such as crime and pollution.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nationalgeographic.com