PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Metal, such as aluminum (Al), silver (Ag), aluminum copper alloy (AlCu), tungsten (W), or gold (Au) and preferably copper, is then deposited over exposed first metal PR layer 14, filling barrier lined dual damascene opening 29 and damascene opening 18.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com