PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • At this time, depending on the method of treating the material in question, the atmospheric control may be executed by removing the atmosphere to generate vacuum or injecting gases such as oxygen or the like.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com