PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Moreover, the wedges may be made of soft metals or other materials or may be constructed of harder materials such as steel, inconel, stainless steel, etc. used alone or that is coated in some way (plated, sputtered, etc.) with softer materials.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com