PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The exact materials used and in what proportions is a trade secret, but the effects of these negative ions are not secret.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sabonacanada.com