PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ground-source systems work well in almost any climate, especially more extreme climates where air-source heat pumps are less cost-effective.
http://www.w3.org/ns/prov#wasQuotedFrom
  • chelseagreen.com