PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In recent times, the demand for gold as an alternative to fiat currencies has led to a currency demand in those countries that produce gold, such as Australia, South Africa and Canada. (For more, see How To Trade Currency And Commodity Correlations.) Example of a Trend in the Australian Dollar Against the U.S. Dollar Note how the economic factors, in this case a demand for gold and the higher inte
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  • investopedia.com