PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Hundreds of carbon compounds are commercially important but the element itself in the forms of diamond, graphite, charcoal, and carbon black is also used in a variety of manufactured products.
http://www.w3.org/ns/prov#wasQuotedFrom
  • docstoc.com