PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some 'insulators' work by stopping the flow of air (draughts) through cracks and gaps, such as sealants (mastics).
http://www.w3.org/ns/prov#wasQuotedFrom
  • uswitch.com