PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Magnesium Microsoft Academic Search Magnesium is the lightest of all metals used as the basis for constructional alloys.
http://www.w3.org/ns/prov#wasQuotedFrom
  • science.gov