PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Circuit-board manufacturing technology differs from the manufacture of microcircuits, for instance, in that, in the manufacturing techniques of microcircuits, the installation base, that is a substrate, is a semiconductor material, whereas the basic material of the installation base of circuit boards is some kind of insulation material.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com