PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The aggregate material can be composed of any conventional support material such as metals, ceramics, including both porcelain and stoneware; clay ceramics, including pottery clays; plastics, including polyethylene, polypropylene, and nylon; glass; woods, such as redwood; stones; cement and cement aggregates.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com