About: http://webisa.webdatacommons.org/400663794

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	Companies involved in the exploration and production of energy products, such as oil, natural gas, and coal.
http://www.w3.org/ns/prov#wasQuotedFrom	vanguard.com