PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This invention relates to roofing material, and in particular to roofing shingles, having a novel backing which imparts improved characteristics such as resistance to damage from hail.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es