About: http://webisa.webdatacommons.org/374720427

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	maintenance, the cost of trip-related crew hotels and meals, maintenance costs, landing and ground handling fees, in-flight catering and telephone usage and other variable costs.
http://www.w3.org/ns/prov#wasQuotedFrom	sec.gov