PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Metals such as copper and aluminum are the most familiar conductive materials, and have high electrical conductivity due to their abundance of delocalized electrons that move freely throughout the inter-atomic spaces.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikipedia.org