PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Graphene is a very promising nano-scale material consisting of a sheet of carbon just one atom thick, featuring a honeycomb structure, because it has many desirable electronic properties.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scienceworldreport.com