About: http://webisa.webdatacommons.org/340291969

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	Cost is a function of ore quality, mining and chemical processing technologies, raw materials sourcing, transportation rates, logistical infrastructure and operating practices and efficiencies.
http://www.w3.org/ns/prov#wasQuotedFrom	edgar-online.com