PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, foams made solely with carbon dioxide, or other highly water-soluble gases, tend to be very unstable and do not last long enough to be usable.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com