PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ecological economists such as Herman Daly write that the more full the world becomes, the higher are the social or external costs of production.
http://www.w3.org/ns/prov#wasQuotedFrom
  • revolutionradio.org