PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The gas excitation system 100 may also be used to process solid materials such as semiconductor wafers, powders, and other gases.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com