PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A porous structure of the polymeric material may be obtained by any known method, such as salt leaching or sintering.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.co.uk