PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • That said, if you are continually seeing air bleeding out of your air bleed valve then I suspect that either you have not fully bled all air out of the system or there is a leak somewhere that is both letting water out and air in to the heating boiler or its piping and radiators / baseboards.
http://www.w3.org/ns/prov#wasQuotedFrom
  • inspectapedia.com