About: http://webisa.webdatacommons.org/452359706

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	Though the price of oil has fallen here in Europe, lowering producer costs, long-term problems persist, especially the challenge of securing affordable energy supplies.???
http://www.w3.org/ns/prov#wasQuotedFrom	hydrocarbonprocessing.com