About: http://webisa.webdatacommons.org/186009799

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	Held every three years, the World Petroleum Congress and Exhibition is the largest oil and gas industry gathering in the world.
http://www.w3.org/ns/prov#wasQuotedFrom	spacefoundation.org