PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Materials research - Materials research service providers undertake scientific study of the properties and applications for materials of construction or manufacture including ceramics, glass, metals, polymers, and composites.
http://www.w3.org/ns/prov#wasQuotedFrom
  • globalspec.com