PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Over the last half decade or so, as the price of gold and silver have steadily risen, financial experts, advisers and pundits have often argued that gold is a bubble.
http://www.w3.org/ns/prov#wasQuotedFrom
  • shtfplan.com