About: http://webisa.webdatacommons.org/370637049

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Most people do not know there are so many roofing material types because they are used to seeing asphalt shingles.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.com