PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • in a sealed state with a non-oxidizing gas such as nitrogen gas, an inert gas, or the like so as to prevent oxidation of the objects to be transferred, and also relates to a clean transfer method and apparatus using the clean box.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com