PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, brief references have been made to other materials such as ceramics, graphite, bonded ceramic-metal systems, and other types of composites.
http://www.w3.org/ns/prov#wasQuotedFrom
  • osti.gov