PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Alumina, zirconia, titania, silica and quartz glass can be used as examples of a ceramic material.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com