PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Graphene is a form of carbon.Though we grow it from the vapor phase, this material is just like graphite in a pencil.
http://www.w3.org/ns/prov#wasQuotedFrom
  • goodgearguide.com.au