PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Titanium is produced by reducing titanium(IV) chloride using a more reactive metal such as sodium or magnesium.
http://www.w3.org/ns/prov#wasQuotedFrom
  • chemguide.co.uk