PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Copper is an excellent conductor of heat and electricity and is widely used for electrical wiring, as well as water piping and corrosion-resistant parts.
http://www.w3.org/ns/prov#wasQuotedFrom
  • zulumoon.com