PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Although some materials such as stabilised zirconias and silicas have been formed by sintering into porous aggregates, they have not been obtained in any membrane form.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com