About: http://webisa.webdatacommons.org/388551370

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	We use natural materials every day, everything from building stone and oil to metals such as iron, copper and gold, and even diamonds, have all been extracted from the ground.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com