PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When people are poor, degree of specialization is underdeveloped, everyone is a subsistence farmer; and people are alike from generation to generation, all poor, same jobs as fathers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • econtalk.org