About: http://webisa.webdatacommons.org/224931111

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	What Boeing markets as ER models are simply increased gross weights made possible by better engines and other improvements made possible after EIS of the base variant.
http://www.w3.org/ns/prov#wasQuotedFrom	airliners.net