PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In another embodiment, the material is foamed forcing a pressurized gas, such as nitrogen or carbon dioxide, into the polymerizing mixture.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com