PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • (PhysOrg.com) -- Graphene is a material that has the potential for a number of future applications.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org