PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The use of plasmas for the processing of materials or facilitating reactions between gaseous substances is becoming an established technique and a number of forms of apparatus have been devised for these purposes.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com