About: http://webisa.webdatacommons.org/139478918

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	Upgrade of one or more customers, as explained below in Upgrade_U, may involve one or more interactions between the airline, an entity other than the airline, the customers and/or any combination thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com