PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Most issues a boiler may have are difficult to possible to diagnose with a glance, with problems such as poor heat maintenance, noise and unreliability being the only signals that there could be something wrong.
http://www.w3.org/ns/prov#wasQuotedFrom
  • boilerguide.co.uk