PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • in which case one could theorise that, taking all those points into consideration, the material(s) of the future which are most likely to revolutionise the world are graphene and nanotubes.
http://www.w3.org/ns/prov#wasQuotedFrom
  • economist.com