PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ions, in particular chloride ion, are known to those skilled in the art to be principal active agents in the rusting process, along with water and oxygen.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com