PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The conductive material is any of a metal element such as aluminum (Al), titanium (Ti), silver (Ag), copper (Cu), gold (Au), platinum (Pt), nickel (Ni), palladium (Pd), tantalum (Ta), and molybdenum (Mo); or an alloy material or a compound material including the element, and a single-layer structure or a layered structure may be employed.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com