PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Medium and low carbon steel often seem to be in the same types of things like sheet metal, tools, and machine parts.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com