PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The extraction of a finite resource, such as oil, follows a mathematical curve???starting out slowly, speeding up as demand grows and we become more efficient at extracting it, gradually reaching a plateau as the discovery of new supplies slows, finally peaking, and then beginning the inevitable decline as it becomes more difficult and expensive to extract the remaining supplies.
http://www.w3.org/ns/prov#wasQuotedFrom
  • resilience.org