PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • denisaf, actually by crustal abundance, the most common materials are oxygen, silicon and aluminum, which is a good portion of what computers are.
http://www.w3.org/ns/prov#wasQuotedFrom
  • economist.com