PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • (2) 'Nonferrous metals' means metals not containing significant quantities of iron or steel, including copper wire, cooper clad steel wire, copper pipe, copper bars, copper sheeting, aluminum, a product that is a mixture of aluminum and copper, catalytic converters, and stainless steel beer kegs or containers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scstatehouse.gov