PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Typically foam is made up of more than 90% closed cell gaseous volume of air, carbon dioxide, or other gases, and due to its extremely low weight and durability, it is frequently desired as a construction material.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com