PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, a thin layer of a noble metal such as gold or a thin polymer film may be useful when the primary layer would otherwise oxidize and it is not desired to use vacuum, reducing atmospheres, or fluxes.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com