PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ferroelectric materials having been practically used, such as PZT and PLZT, are materials of sintered bulk, that is, multi-crystals whose orientations have not been controlled.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com