PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, since there is a tendency for the optimal thickness of the layer to be oxidized to become thinner, thickness control becomes more difficult.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com