PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Industrial ultrasound is most commonly used for metals and metal alloys, though it can also be applied to other materials, such as ceramics.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.net