<http://webisa.webdatacommons.org/354413027> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/354413027> <http://www.w3.org/ns/prov#value> "Metal prices are rising while large amounts of copper and other metals lie buried in the ground, forgotten, and of no use." . <http://webisa.webdatacommons.org/prov/115636791> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/354413027> . <http://webisa.webdatacommons.org/354413027> <http://www.w3.org/ns/prov#wasQuotedFrom> <liu.se> .