PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Generally, M is an alkali or alkaline earth metal, zinc, copper, iron, cobalt or nickel.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au