PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The porous ceramic can be selected from materials such as silica, alumina, magnesia, silicon carbide, zeolites, cordierite, and combinations or mixtures thereof.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com