PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The minimum pitch, however, that can be used with many roofing materials such as asphalt shingles or corrugated metal is 3 in 12 (3/12 pitch).
http://www.w3.org/ns/prov#wasQuotedFrom
  • extremehowto.com