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, carbon black, and fullerene is also indispensable.
http://www.w3.org/ns/prov#wasQuotedFrom
  • dendritics.com