PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Spot market rates are volatile and are affected by world economics, international events, weather conditions, strikes, governmental policies, supply and demand, and other factors beyond our control.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sec.gov