PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • During the operating period of the collection system of the present invention which may be year round in southern regions of the country or only in summer in more northern regions of the country, solar energy is absorbed by the roof 12 thereby warming the air in the space 16 beneath the roof particularly adjacent the area where the rafters 14 are peaked.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com