PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ???Some people think that graphene, a form of carbon, is the material of the future,??? Allen Goldman tells PhysOrg.com. ???It???s of high scientific interest because of its unusual electronic properties.???
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org