PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Or an ETF can be created to simply track a commodity such as gold or sliver, such as the SPDR Gold Trust ETF (GLD), which is backed by physical gold.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thesunsfinancialdiary.com