PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Porous materials other than ceramic, such as porous metal materials, may be produced by the same methods, and may have utility as electrodes or catalyst support systems.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com