PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • From the materials that you can use ??? such as coatings, membranes, shingles or tiles ??? to the grade of slope of your roof, there are many types of installation or retrofitting options to consider when it comes to cool roofs.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sparkenergy.com