PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Other metals, such as magnesium, would work very well but zinc is the least expensive useful metal.
http://www.w3.org/ns/prov#wasQuotedFrom
  • newworldencyclopedia.org