PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A natural monopoly is a monopoly that arises in industries where economies of scale are so large that a single firm can supply the entire market without exhausting them.
http://www.w3.org/ns/prov#wasQuotedFrom
  • exampleproblems.com