About: http://webisa.webdatacommons.org/452701181

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	The top companies now include PetroChina, Gazprom, Petroleo Brasileiro and India's Oil & Natural Gas Corp. Mining, manufacturing and other industries are likely to follow.
http://www.w3.org/ns/prov#wasQuotedFrom	power-technology.com