PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Graphene is a relatively new material with outstanding electrical, chemical and mechanical properties that make it attractive as flexible conductors used in gadgets such as touch screens.
http://www.w3.org/ns/prov#wasQuotedFrom
  • investingraphene.com