PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A growing medium can be applied to a flat roof or a pitched roof: generally the steeper the pitch the more complicated the coverage becomes especially with regard to soil and moisture retention.
http://www.w3.org/ns/prov#wasQuotedFrom
  • csir.co.za