PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For this purpose, graphene is a great candidate: a two-dimensional hexagonal lattice of carbon, graphene has an exceptionally high effective surface area, is an excellent conductor, and is mechanically flexible.
http://www.w3.org/ns/prov#wasQuotedFrom
  • arstechnica.com