PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • BACKGROUND OF THE INVENTION [0002] The production of semiconductors into various types of integrated circuits, displays, memories, sensors and other devices typically requires cleaning of semiconductor surfaces to remove contaminants.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com