PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For conductivity and ease of handling, a choice is preferably made among Al, Ag, In, Ti, Cu, Au, Mo, W, Pt, Pd and Ni, and mixtures thereof, and especially among Al and Ag.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com