PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In yet another twist on the strangeness of the nanoworld, researchers have discovered that materials such as silica that are quite brittle in bulk form behave as ductile as gold at the nanoscale.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sciencedaily.com