PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The molten salts used in the system are a mixture of sodium nitrates and potassium, which can retain heat for prolonged periods.
http://www.w3.org/ns/prov#wasQuotedFrom
  • depletedcranium.com