About: http://webisa.webdatacommons.org/390422912

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	SUPERIOR, Ariz. -- As they dig for nickel, copper and other commodities in the far corners of the earth, the world's largest mining companies, Rio Tinto PLC and BHP Billiton Ltd., are used to solving geological problems.
http://www.w3.org/ns/prov#wasQuotedFrom	typepad.com