PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • China accounts for some 40 percent of global copper consumption and any increase in economic activities that consume the material, such as power generation and transmission, high-speed rail and home construction, can have a disproportionate impact on the production and shipment of copper.
http://www.w3.org/ns/prov#wasQuotedFrom
  • amm.com