About: http://webisa.webdatacommons.org/257702517

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	in 21 valuable slot constrained airports such as London Gatwick, Paris Orly, Milan Malpensa, Amsterdam and Geneva.
http://www.w3.org/ns/prov#wasQuotedFrom	investis.com