PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I asked my PhD physicist friend, who sent me this article and told me that crude oil may well be a renewable resource, Would this mean that Peak Oil is a myth?
http://www.w3.org/ns/prov#wasQuotedFrom
  • threesources.com